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valgrind openssl destroy as far as possible

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OpenSSL doesn't seem to have a way to close out three allocations
it creates during SSL library init.

Even after doing the magic incantations suggested on the openssl list, we're
left with these.  Well, 88 bytes from ssl init is probably not critical,
but it's annoying

==15206== HEAP SUMMARY:
==15206==     in use at exit: 88 bytes in 3 blocks
==15206==   total heap usage: 13,566 allocs, 13,563 frees, 5,933,134 bytes allocated
==15206==
==15206== 24 bytes in 1 blocks are still reachable in loss record 1 of 3
==15206==    at 0x4A06409: malloc (vg_replace_malloc.c:270)
==15206==    by 0x3014C612B2: CRYPTO_malloc (in /usr/lib64/libcrypto.so.1.0.1c)
==15206==    by 0x3015441B38: ??? (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x3015443A78: SSL_COMP_get_compression_methods (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x301544932B: SSL_library_init (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x4C340D4: libwebsocket_create_context (libwebsockets.c:1796)
==15206==    by 0x401C08: main (in /usr/bin/libwebsockets-test-server)
==15206==
==15206== 32 bytes in 1 blocks are still reachable in loss record 2 of 3
==15206==    at 0x4A06409: malloc (vg_replace_malloc.c:270)
==15206==    by 0x3014C612B2: CRYPTO_malloc (in /usr/lib64/libcrypto.so.1.0.1c)
==15206==    by 0x3014CC91BE: sk_new (in /usr/lib64/libcrypto.so.1.0.1c)
==15206==    by 0x3015441AF9: ??? (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x3015443A78: SSL_COMP_get_compression_methods (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x301544932B: SSL_library_init (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x4C340D4: libwebsocket_create_context (libwebsockets.c:1796)
==15206==    by 0x401C08: main (in /usr/bin/libwebsockets-test-server)
==15206==
==15206== 32 bytes in 1 blocks are still reachable in loss record 3 of 3
==15206==    at 0x4A06409: malloc (vg_replace_malloc.c:270)
==15206==    by 0x3014C612B2: CRYPTO_malloc (in /usr/lib64/libcrypto.so.1.0.1c)
==15206==    by 0x3014CC91DC: sk_new (in /usr/lib64/libcrypto.so.1.0.1c)
==15206==    by 0x3015441AF9: ??? (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x3015443A78: SSL_COMP_get_compression_methods (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x301544932B: SSL_library_init (in /usr/lib64/libssl.so.1.0.1c)
==15206==    by 0x4C340D4: libwebsocket_create_context (libwebsockets.c:1796)
==15206==    by 0x401C08: main (in /usr/bin/libwebsockets-test-server)
==15206==
==15206== LEAK SUMMARY:
==15206==    definitely lost: 0 bytes in 0 blocks
==15206==    indirectly lost: 0 bytes in 0 blocks
==15206==      possibly lost: 0 bytes in 0 blocks
==15206==    still reachable: 88 bytes in 3 blocks
==15206==         suppressed: 0 bytes in 0 blocks


Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2013-02-11 14:50:45 +08:00
parent 3886ec7246
commit ad68639a7b
1 changed files with 5 additions and 0 deletions
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5
lib/libwebsockets.c
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@ -1090,6 +1090,11 @@ libwebsocket_context_destroy(struct libwebsocket_context *context)
SSL_CTX_free(context->ssl_ctx);
if (context->ssl_client_ctx)
SSL_CTX_free(context->ssl_client_ctx);
ERR_remove_state(0);
ERR_free_strings();
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
#endif
if (context->fds)