From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 20:24:20 +0200
Subject: Adding upstream version 14.2.21.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/crypto_init.cc | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/test/crypto_init.cc

(limited to 'src/test/crypto_init.cc')

diff --git a/src/test/crypto_init.cc b/src/test/crypto_init.cc
new file mode 100644
index 00000000..781175eb
--- /dev/null
+++ b/src/test/crypto_init.cc
@@ -0,0 +1,49 @@
+#include <errno.h>
+#include <time.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <vector>
+
+#include "include/types.h"
+#include "common/code_environment.h"
+#include "global/global_context.h"
+#include "global/global_init.h"
+#include "include/msgr.h"
+#include "gtest/gtest.h"
+#include "auth/Crypto.h"
+#include "common/ceph_crypto.h"
+
+#ifdef USE_NSS
+void *init_crypto(void *p) {
+  ceph::crypto::init(g_ceph_context);
+  return NULL;
+}
+
+// Tests for a race condition in libnss when calling crypto_init
+// multiple times simultaneously from different threads.
+TEST(CRYPTO_INIT, NSS_RACE) {
+  std::vector<const char*> args;
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+                         CODE_ENVIRONMENT_UTILITY,
+                         CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+  // Most reliably reproduced with more threads than cores.
+  long n_thread = sysconf(_SC_NPROCESSORS_ONLN) * 2;
+  pthread_t *ts = (pthread_t*)malloc(n_thread * sizeof(pthread_t));
+  int i;
+  for (i = 0; i < n_thread; i++) {
+    pthread_create(&ts[i], NULL, init_crypto, NULL);
+  }
+  for (i = 0; i < n_thread; i++) {
+    int k;
+    void *p = (void*)&k;
+    pthread_join(ts[i], &p);
+  }
+  free(ts);
+}
+
+#endif
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
-- 
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