From 4c901638b4d7bab5e5a847f6970425d9c1f2ea2d Mon Sep 17 00:00:00 2001
From: Javier Blazquez <jblazquez@riotgames.com>
Date: Fri, 22 Jun 2018 20:11:26 -0700
Subject: multi: fix crash due to dangling entry in connect-pending list

Fixes #2677
Closes #2679
---
 tests/libtest/Makefile.inc |  6 ++++-
 tests/libtest/lib1557.c    | 62 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 tests/libtest/lib1557.c

(limited to 'tests/libtest')

diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index ed536a564..ecb7d1dd4 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -28,7 +28,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib1525 lib1526 lib1527 lib1528 lib1529 lib1530 lib1531 lib1532 lib1533 \
  lib1534 lib1535 lib1536 lib1537 lib1538 \
  lib1540 \
- lib1550 lib1551 lib1552 lib1553 lib1554 lib1555 lib1556 \
+ lib1550 lib1551 lib1552 lib1553 lib1554 lib1555 lib1556 lib1557 \
  lib1900 \
  lib2033
 
@@ -493,6 +493,10 @@ lib1556_SOURCES = lib1556.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1556_LDADD = $(TESTUTIL_LIBS)
 lib1556_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1556
 
+lib1557_SOURCES = lib1557.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
+lib1557_LDADD = $(TESTUTIL_LIBS)
+lib1557_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1557
+
 lib1900_SOURCES = lib1900.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1900_LDADD = $(TESTUTIL_LIBS)
 lib1900_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib1557.c b/tests/libtest/lib1557.c
new file mode 100644
index 000000000..bd0f20a85
--- /dev/null
+++ b/tests/libtest/lib1557.c
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "test.h"
+
+#include "testutil.h"
+#include "warnless.h"
+#include "memdebug.h"
+
+int test(char *URL)
+{
+  CURLM *curlm = NULL;
+  CURL *curl1 = NULL;
+  CURL *curl2 = NULL;
+  int running_handles = 0;
+  int res = 0;
+
+  global_init(CURL_GLOBAL_ALL);
+
+  multi_init(curlm);
+  multi_setopt(curlm, CURLMOPT_MAX_HOST_CONNECTIONS, 1);
+
+  easy_init(curl1);
+  easy_setopt(curl1, CURLOPT_URL, URL);
+  multi_add_handle(curlm, curl1);
+
+  easy_init(curl2);
+  easy_setopt(curl2, CURLOPT_URL, URL);
+  multi_add_handle(curlm, curl2);
+
+  multi_perform(curlm, &running_handles);
+
+  multi_remove_handle(curlm, curl2);
+  curl_easy_cleanup(curl2);
+
+  /* If curl2 is still in the connect-pending list, this will crash */
+  multi_remove_handle(curlm, curl1);
+  curl_easy_cleanup(curl1);
+
+test_cleanup:
+  curl_multi_cleanup(curlm);
+  curl_global_cleanup();
+  return res;
+}
-- 
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