From 129cf5543e1c4e6849ff7523fa621fecd020cb10 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Mon, 1 Nov 2021 15:31:44 -0700
Subject: [PATCH] Fix the bug (#27899)

---
 src/core/lib/surface/call.cc                  |  2 +
 .../testcase-6703968097271808                 | 62 +++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-6703968097271808

diff --git a/src/core/lib/surface/call.cc b/src/core/lib/surface/call.cc
index 2a4ec68057e..f74e9d6b5dc 100644
--- a/src/core/lib/surface/call.cc
+++ b/src/core/lib/surface/call.cc
@@ -1940,6 +1940,8 @@ done_with_error:
   if (stream_op->send_message) {
     call->sending_message = false;
     call->sending_stream->Orphan();
+    call->sending_stream.Destroy();
+    stream_op_payload->send_message.send_message.reset();
   }
   if (stream_op->send_trailing_metadata) {
     call->sent_final_op = false;
diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-6703968097271808 b/test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-6703968097271808
new file mode 100644
index 00000000000..cb144eb09f4
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-6703968097271808
@@ -0,0 +1,62 @@
+actions {
+  create_server {
+  }
+}
+actions {
+  create_channel {
+    target: "dns:server"
+  }
+}
+actions {
+  create_call {
+    method {
+      value: "/foo"
+    }
+    timeout: 1000000000
+  }
+}
+actions {
+  queue_batch {
+    operations {
+      send_initial_metadata {
+      }
+    }
+  }
+}
+actions {
+  advance_time: 9541248
+}
+actions {
+  queue_batch {
+    operations {
+      send_close_from_client {
+      }
+    }
+    operations {
+      send_message {
+      }
+    }
+    operations {
+      receive_initial_metadata {
+      }
+      flags: 1895825408
+    }
+  }
+}
+actions {
+  queue_batch {
+    operations {
+      send_message {
+        message {
+          value: "grp[.default_authority"
+          intern: true
+        }
+      }
+    }
+  }
+}
+actions {
+  advance_time: 10000000
+}
+actions {
+}