From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41522 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751443AbdECDyj (ORCPT ); Tue, 2 May 2017 23:54:39 -0400 Subject: Patch "powerpc/ptrace: Fix out of bounds array access warning" has been added to the 3.18-stable tree To: raj.khem@gmail.com, aaro.koskinen@iki.fi, arnd@arndb.de, gregkh@linuxfoundation.org, keescook@chromium.org, mpe@ellerman.id.au, olof@lixom.net, segher@kernel.crashing.org Cc: , From: Date: Tue, 02 May 2017 20:54:27 -0700 Message-ID: <14937836677203@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled powerpc/ptrace: Fix out of bounds array access warning to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-ptrace-fix-out-of-bounds-array-access-warning.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 1e407ee3b21f981140491d5b8a36422979ca246f Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Mon, 25 Apr 2016 09:19:17 -0700 Subject: powerpc/ptrace: Fix out of bounds array access warning From: Khem Raj commit 1e407ee3b21f981140491d5b8a36422979ca246f upstream. gcc-6 correctly warns about a out of bounds access arch/powerpc/kernel/ptrace.c:407:24: warning: index 32 denotes an offset greater than size of 'u64[32][1] {aka long long unsigned int[32][1]}' [-Warray-bounds] offsetof(struct thread_fp_state, fpr[32][0])); ^ check the end of array instead of beginning of next element to fix this Signed-off-by: Khem Raj Cc: Kees Cook Cc: Michael Ellerman Cc: Segher Boessenkool Tested-by: Aaro Koskinen Acked-by: Olof Johansson Cc: Arnd Bergmann Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/ptrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -376,7 +376,7 @@ static int fpr_get(struct task_struct *t #else BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) != - offsetof(struct thread_fp_state, fpr[32][0])); + offsetof(struct thread_fp_state, fpr[32])); return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &target->thread.fp_state, 0, -1); @@ -404,7 +404,7 @@ static int fpr_set(struct task_struct *t return 0; #else BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) != - offsetof(struct thread_fp_state, fpr[32][0])); + offsetof(struct thread_fp_state, fpr[32])); return user_regset_copyin(&pos, &count, &kbuf, &ubuf, &target->thread.fp_state, 0, -1); Patches currently in stable-queue which might be from raj.khem@gmail.com are queue-3.18/powerpc-ptrace-fix-out-of-bounds-array-access-warning.patch