From: <gregkh@linuxfoundation.org>
To: maco@android.com, gregkh@linuxfoundation.org, john.stultz@linaro.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "ANDROID: binder: fix proc->tsk check." has been added to the 4.12-stable tree
Date: Mon, 28 Aug 2017 06:50:50 +0200 [thread overview]
Message-ID: <150389585037244@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
ANDROID: binder: fix proc->tsk check.
to the 4.12-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-4.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From b2a6d1b999a4c13e5997bb864694e77172d45250 Mon Sep 17 00:00:00 2001
From: Martijn Coenen <maco@android.com>
Date: Fri, 28 Jul 2017 13:56:08 +0200
Subject: ANDROID: binder: fix proc->tsk check.
From: Martijn Coenen <maco@android.com>
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 <maco@android.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/android/binder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3362,7 +3362,7 @@ 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-4.12/android-binder-fix-proc-tsk-check.patch
reply other threads:[~2017-08-28 4:50 UTC|newest]
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