fuzz/*: fuzz rats-tls APIs in sgx mode #184
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Ben-cpy
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haosanzi
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Oct 31, 2023
| set(SGX_COMMON_CXXFLAGS "${SGX_COMMON_FLAGS} -Wnon-virtual-dtor -std=c++11") | ||
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11 -fPIC -Werror=implicit-function-declaration") | ||
| endif() | ||
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if((BUILD_FUZZ) AND (SGX))
string(REPLACE "-std=gnu11" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REPLACE "-std=c11" "" SGX_COMMON_FLAGS "${SGX_COMMON_FLAGS}")
string(REPLACE "-std=c++11" "" SGX_COMMON_CXXFLAGS "${SGX_COMMON_CXXFLAGS}")
haosanzi
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Oct 31, 2023
haosanzi
reviewed
Oct 31, 2023
haosanzi
reviewed
Oct 31, 2023
haosanzi
reviewed
Oct 31, 2023
haosanzi
reviewed
Oct 31, 2023
haosanzi
reviewed
Oct 31, 2023
haosanzi
reviewed
Oct 31, 2023
fuzz/tls_sgx_mode/fuzz_sgx_mode.cc
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| char verifier_types[10][25] = { "nullverifier", "", "sgx_la", | ||
| "csv", "sev", "sev_snp", | ||
| "tdx_ecdsa", "tdx_ecdsa", "sgx_ecdsa_qve" }; | ||
| strcpy(verifier_types[9], fuzzed_data.ConsumeBytesWithTerminator(20, '\0').data()); |
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Did not use verifier_types in the following code.
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so I just comment this line 95-98 ?
haosanzi
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Oct 31, 2023
fuzz/tls_sgx_mode/fuzz_sgx_mode.cc
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| uint16_t s_port = htons((uint16_t)FUZZ_PORT); | ||
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| char * attester_type = (char *)malloc(20); | ||
| if(attester_type == NULL){ |
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char * attester_type to char *attester_type . please check the other code
use libfuzzer to fuzz rats-tls API `rats_tls_init()`, `rats_tls_negotiate()`, `rats_tls_transmit()`, `rats_tls_receive()`, `rats_tls_cleanup()` in sgx mode. Signed-off-by: Pengyu Chen <[email protected]>
haosanzi
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Nov 6, 2023
| @@ -58,6 +62,11 @@ if(SGX) | |||
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| set(SGX_COMMON_CFLAGS "${SGX_COMMON_FLAGS} -Wstrict-prototypes -Wunsuffixed-float-constants -Wno-implicit-function-declaration -std=c11") | |||
| set(SGX_COMMON_CXXFLAGS "${SGX_COMMON_FLAGS} -Wnon-virtual-dtor -std=c++11") | |||
| if((BUILD_FUZZ) AND (SGX)) | |||
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remove AND (SGX) ,since if(SGX) is in line 21,
haosanzi
reviewed
Nov 7, 2023
| @@ -12,6 +12,10 @@ else() | |||
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2") | |||
| endif() | |||
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| if((BUILD_FUZZ) AND (SGX)) | |||
| string(REPLACE "-std=gnu11" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") | |||
| endif() | |||
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please remove this code to line 65
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use libfuzzer to fuzz rats-tls API
rats_tls_init(),rats_tls_negotiate(),rats_tls_transmit()andrats_tls_receive()in sgx mode