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valgrind openssl destroy as far as possible
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>
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@ -1090,6 +1090,11 @@ libwebsocket_context_destroy(struct libwebsocket_context *context)
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SSL_CTX_free(context->ssl_ctx);
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if (context->ssl_client_ctx)
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SSL_CTX_free(context->ssl_client_ctx);
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ERR_remove_state(0);
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ERR_free_strings();
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EVP_cleanup();
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CRYPTO_cleanup_all_ex_data();
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#endif
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if (context->fds)
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