commit 9fabbf8a8ae755c3c07637f8ca7677c63a1607bb
author Phil Burk <philburk@google.com> Thu Aug 03 12:02:00 2017 -0700
committer Phil Burk <philburk@google.com> Thu Aug 03 15:27:38 2017 -0700
tree 9f3be1ca67e5ea192cdd9b2c289c9ebe6095218d
parent 909f4a6cada3d5fb7594da7d1809ba62d1b47340

audioflinger: prevent crash in MmapThreadHandle destructor

The mThread smart pointer was getting cleared while the
thread was still in use.

Bug: 64316921
Test: use input_monitor.cpp, see bug for repro steps
Change-Id: I46095b4e67648208a2fb979696fc2d655432448b

services/audioflinger/AudioFlinger.h

diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 9023b2d..63898a0 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -604,7 +604,7 @@
         virtual status_t standby();
 
     private:
-        sp<MmapThread> mThread;
+        const sp<MmapThread> mThread;
     };
 
               ThreadBase *checkThread_l(audio_io_handle_t ioHandle) const;