diff options
-rw-r--r-- | src/common/crypto.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c index c88be4b829..14ffe3cfa9 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -177,12 +177,15 @@ int crypto_global_cleanup() ERR_free_strings(); #ifdef TOR_IS_MULTITHREADED if (_n_openssl_mutexes) { + int n = _n_openssl_mutexes; + tor_mutex_t **ms = _openssl_mutexes; int i; - for (i=0;i<_n_openssl_mutexes;++i) { - tor_mutex_free(_openssl_mutexes[i]); - } - tor_free(_openssl_mutexes); + _openssl_mutexes = NULL; _n_openssl_mutexes = 0; + for (i=0;i<n;++i) { + tor_mutex_free(ms[i]); + } + tor_free(ms); } #endif return 0; @@ -1649,6 +1652,11 @@ secret_to_key(char *key_out, size_t key_out_len, const char *secret, static void _openssl_locking_cb(int mode, int n, const char *file, int line) { + if (!_openssl_mutexes) + /* This is not a really good fix for the + * "release-freed-lock-from-separate-thread-on-shutdown" problem, but + * it can't hurt. */ + return; if (mode & CRYPTO_LOCK) tor_mutex_acquire(_openssl_mutexes[n]); else |