any takers from the openssl team? true, false? known issue, user error? anything?
On 10-08-17 04:23 PM, Jeff Saremi wrote: > I apologize if this shows up more than once. I've been having problems > sending emails out, all day. > > First I encountered this with valgrind but then I decided to have > openssl print the leaks and it was also confirmed. > I have reduced my code to the following two lines. Prior to this if > course initilization of openssl and then the cleanup. Either there's a > call that I'm missing or the the dynamic locks don't get cleaned up upon > exit. Looking at the code in cryptlib.c, i don't see anywhere freeing up > the memory allocated to the following stacks: > > static STACK_OF(OPENSSL_STRING) *app_locks=NULL; > static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL; > > And here's my sample code: > int l = CRYPTO_get_new_dynlockid(); > CRYPTO_destroy_dynlockid(l); > > Before this I have a bunch of lines like: > CRYPTO_malloc_debug_init(); > CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL); > CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); > > SSL_library_init(); > OpenSSL_add_all_digests(); > CRYPTO_set_id_callback(..); > CRYPTO_set_locking_callback(...); > CRYPTO_set_dynlock_create_callback(...); > CRYPTO_set_dynlock_lock_callback(...); > CRYPTO_set_dynlock_destroy_callback(...); > > And at the end of the code I have something like: > CRYPTO_set_id_callback(NULL); > CRYPTO_set_locking_callback(NULL); > CRYPTO_set_dynlock_create_callback(NULL); > CRYPTO_set_dynlock_lock_callback(NULL); > CRYPTO_set_dynlock_destroy_callback(NULL); > > ENGINE_cleanup(); > EVP_cleanup(); > CRYPTO_cleanup_all_ex_data(); > ERR_free_strings(); > OBJ_NAME_cleanup(-1); > ERR_remove_thread_state(NULL); > SSL_free_comp_methods(); > CRYPTO_mem_leaks_fp(stderr); > > As you can see I have included every cleanup call I could find. > Running the code produces the following output: > [19:49:10] 188 file=stack.c, line=125, thread=19596, number=20, > address=08DF0E50 > [19:49:10] 189 file=stack.c, line=127, thread=19596, number=16, > address=08DF0F78 > 36 bytes leaked in 2 chunks > > > > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager majord...@openssl.org ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
