rbd-mirror: concurrent access of event might result in heap corruption

Fixes: http://tracker.ceph.com/issues/17283
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit ac9ad37ab80db8913f9f1149707bd0009f8235c4)

diff --git a/src/tools/rbd_mirror/ImageReplayer.cc b/src/tools/rbd_mirror/ImageReplayer.cc
index 2e7b6b9f0a2d23f3ec4e79e30f051e7370ee884b..2ad1bd0189697da64698b6aecd9ede4a62bf41f8 100644 (file)
--- a/src/tools/rbd_mirror/ImageReplayer.cc
+++ b/src/tools/rbd_mirror/ImageReplayer.cc
@@ -1051,7 +1051,6 @@ void ImageReplayer<I>::process_entry() {
     ImageReplayer, &ImageReplayer<I>::handle_process_entry_ready>(this);
   Context *on_commit = new C_ReplayCommitted(this, std::move(m_replay_entry));
   m_local_replay->process(m_event_entry, on_ready, on_commit);
-  m_event_entry = {};
 }
 
 template <typename I>