From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:43620 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754827AbdDRSf2 (ORCPT ); Tue, 18 Apr 2017 14:35:28 -0400 Subject: Patch "sparc/ptrace: Preserve previous registers for short regset write" has been added to the 3.18-stable tree To: Dave.Martin@arm.com, davem@davemloft.net, gregkh@linuxfoundation.org, torvalds@linux-foundation.org Cc: , From: Date: Tue, 18 Apr 2017 20:34:37 +0200 Message-ID: <149254047730207@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 sparc/ptrace: Preserve previous registers for short regset write 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: sparc-ptrace-preserve-previous-registers-for-short-regset-write.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 d3805c546b275c8cc7d40f759d029ae92c7175f2 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 27 Mar 2017 15:10:59 +0100 Subject: sparc/ptrace: Preserve previous registers for short regset write From: Dave Martin commit d3805c546b275c8cc7d40f759d029ae92c7175f2 upstream. Ensure that if userspace supplies insufficient data to PTRACE_SETREGSET to fill all the registers, the thread's old registers are preserved. Signed-off-by: Dave Martin Acked-by: David S. Miller Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- arch/sparc/kernel/ptrace_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -311,7 +311,7 @@ static int genregs64_set(struct task_str } if (!ret) { - unsigned long y; + unsigned long y = regs->y; ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &y, Patches currently in stable-queue which might be from Dave.Martin@arm.com are queue-3.18/metag-ptrace-reject-partial-nt_metag_rpipe-writes.patch queue-3.18/metag-ptrace-preserve-previous-registers-for-short-regset-write.patch queue-3.18/metag-ptrace-provide-default-txstatus-for-short-nt_prstatus.patch queue-3.18/c6x-ptrace-remove-useless-ptrace_setregset-implementation.patch queue-3.18/mips-ptrace-preserve-previous-registers-for-short-regset-write.patch queue-3.18/sparc-ptrace-preserve-previous-registers-for-short-regset-write.patch