From 571f3e55b4a304cb50b211dd3492ce1664d5bf0c Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Wed, 6 Jul 2016 14:00:24 -0700
Subject: [PATCH] Prevent a use-after-free
---
src/core/ext/transport/chttp2/transport/chttp2_transport.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 92722b50f4..b58d93787d 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -1178,6 +1178,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx,
true);
}
} else {
+ stream_global->send_initial_metadata = NULL;
grpc_chttp2_complete_closure_step(
exec_ctx, transport_global, stream_global,
&stream_global->send_initial_metadata_finished,
@@ -1233,6 +1234,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx,
grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
}
if (stream_global->write_closed) {
+ stream_global->send_trailing_metadata = NULL;
grpc_chttp2_complete_closure_step(
exec_ctx, transport_global, stream_global,
&stream_global->send_trailing_metadata_finished,
--
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