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Problem: sanitizer tests cannot allocate much memory

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Solution: restrict maximum message size to 64MB in tests
This commit is contained in:
Luca Boccassi 2020-05-04 22:03:31 +01:00 committed by Luca Boccassi
parent 7df845fb82
commit c4fd6dfea7
3 changed files with 20 additions and 0 deletions
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5
tests/test_bind_null_fuzzer.cpp
View File

@ -41,6 +41,11 @@ extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
setup_test_context ();
char my_endpoint[MAX_SOCKET_STRING];
void *server = test_context_socket (ZMQ_PUB);
// As per API by default there's no limit to the size of a message,
// but the sanitizer allocator will barf over a gig or so
int64_t max_msg_size = 64 * 1024 * 1024;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (server, ZMQ_MAXMSGSIZE, &max_msg_size, sizeof (int64_t)));
bind_loopback_ipv4 (server, my_endpoint, sizeof (my_endpoint));
fd_t client = connect_socket (my_endpoint);

5
tests/test_connect_null_fuzzer.cpp
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@ -43,6 +43,11 @@ extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
fd_t server = bind_socket_resolve_port ("127.0.0.1", "0", my_endpoint);
void *client = test_context_socket (ZMQ_SUB);
// As per API by default there's no limit to the size of a message,
// but the sanitizer allocator will barf over a gig or so
int64_t max_msg_size = 64 * 1024 * 1024;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (client, ZMQ_MAXMSGSIZE, &max_msg_size, sizeof (int64_t)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (client, ZMQ_SUBSCRIBE, "", 0));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (client, my_endpoint));

10
tests/testutil_security.cpp
View File

@ -320,6 +320,11 @@ void setup_context_and_server_side (void **zap_control_,
*server_ = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (*server_, ZMQ_LINGER, &linger, sizeof (linger)));
// As per API by default there's no limit to the size of a message,
// but the sanitizer allocator will barf over a gig or so
int64_t max_msg_size = 64 * 1024 * 1024;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
*server_, ZMQ_MAXMSGSIZE, &max_msg_size, sizeof (int64_t)));
socket_config_ (*server_, socket_config_data_);
@ -363,6 +368,11 @@ void *create_and_connect_client (char *my_endpoint_,
void **client_mon_)
{
void *client = test_context_socket (ZMQ_DEALER);
// As per API by default there's no limit to the size of a message,
// but the sanitizer allocator will barf over a gig or so
int64_t max_msg_size = 64 * 1024 * 1024;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (client, ZMQ_MAXMSGSIZE, &max_msg_size, sizeof (int64_t)));
socket_config_ (client, socket_config_data_);