From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46654 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750866AbdH1Evr (ORCPT ); Mon, 28 Aug 2017 00:51:47 -0400 Subject: Patch "ANDROID: binder: fix proc->tsk check." has been added to the 4.9-stable tree To: maco@android.com, gregkh@linuxfoundation.org, john.stultz@linaro.org Cc: , From: Date: Mon, 28 Aug 2017 06:51:53 +0200 Message-ID: <150389591316952@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 ANDROID: binder: fix proc->tsk check. to the 4.9-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: android-binder-fix-proc-tsk-check.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b2a6d1b999a4c13e5997bb864694e77172d45250 Mon Sep 17 00:00:00 2001 From: Martijn Coenen Date: Fri, 28 Jul 2017 13:56:08 +0200 Subject: ANDROID: binder: fix proc->tsk check. From: Martijn Coenen commit b2a6d1b999a4c13e5997bb864694e77172d45250 upstream. Commit c4ea41ba195d ("binder: use group leader instead of open thread")' was incomplete and didn't update a check in binder_mmap(), causing all mmap() calls into the binder driver to fail. Signed-off-by: Martijn Coenen Tested-by: John Stultz Signed-off-by: Greg Kroah-Hartman --- drivers/android/binder.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2875,7 +2875,7 @@ static int binder_mmap(struct file *filp const char *failure_string; struct binder_buffer *buffer; - if (proc->tsk != current) + if (proc->tsk != current->group_leader) return -EINVAL; if ((vma->vm_end - vma->vm_start) > SZ_4M) Patches currently in stable-queue which might be from maco@android.com are queue-4.9/android-binder-fix-proc-tsk-check.patch