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7c673cae FG |
1 | #include <errno.h> |
2 | #include <time.h> | |
3 | #include <pthread.h> | |
4 | #include <unistd.h> | |
5 | #include <vector> | |
6 | ||
7 | #include "include/types.h" | |
8 | #include "common/code_environment.h" | |
9 | #include "global/global_context.h" | |
10 | #include "global/global_init.h" | |
11 | #include "include/msgr.h" | |
12 | #include "gtest/gtest.h" | |
13 | #include "auth/Crypto.h" | |
14 | #include "common/ceph_crypto.h" | |
15 | ||
16 | #ifdef USE_NSS | |
17 | void *init_crypto(void *p) { | |
18 | ceph::crypto::init(g_ceph_context); | |
19 | return NULL; | |
20 | } | |
21 | ||
22 | // Tests for a race condition in libnss when calling crypto_init | |
23 | // multiple times simultaneously from different threads. | |
24 | TEST(CRYPTO_INIT, NSS_RACE) { | |
25 | std::vector<const char*> args; | |
26 | auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, | |
27 | CODE_ENVIRONMENT_UTILITY, | |
28 | CINIT_FLAG_NO_DEFAULT_CONFIG_FILE); | |
29 | // Most reliably reproduced with more threads than cores. | |
30 | long n_thread = sysconf(_SC_NPROCESSORS_ONLN) * 2; | |
31 | pthread_t *ts = (pthread_t*)malloc(n_thread * sizeof(pthread_t)); | |
32 | int i; | |
33 | for (i = 0; i < n_thread; i++) { | |
34 | pthread_create(&ts[i], NULL, init_crypto, NULL); | |
35 | } | |
36 | for (i = 0; i < n_thread; i++) { | |
37 | int k; | |
38 | void *p = (void*)&k; | |
39 | pthread_join(ts[i], &p); | |
40 | } | |
41 | free(ts); | |
42 | } | |
43 | ||
44 | #endif | |
45 | ||
46 | int main(int argc, char **argv) { | |
47 | ::testing::InitGoogleTest(&argc, argv); | |
48 | return RUN_ALL_TESTS(); | |
49 | } |