Merge 4.17-rc3 into char-misc-next

We want the fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 00322b146469..4eab5be3d00f 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2839,6 +2839,14 @@ static void binder_transaction(struct binder_proc *proc,
                         else
                                 return_error = BR_DEAD_REPLY;
                         mutex_unlock(&context->context_mgr_node_lock);
+                        if (target_node && target_proc == proc) {
+                                binder_user_error("%d:%d got transaction to context manager from process owning it\n",
+                                                  proc->pid, thread->pid);
+                                return_error = BR_FAILED_REPLY;
+                                return_error_param = -EINVAL;
+                                return_error_line = __LINE__;
+                                goto err_invalid_target_handle;
+                        }
                 }
                 if (!target_node) {
                         /*