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fuzz/*: fuzz rats-tls APIs in sgx mode #184

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@Ben-cpy Ben-cpy commented Sep 26, 2023

use libfuzzer to fuzz rats-tls API rats_tls_init(), rats_tls_negotiate(),rats_tls_transmit() and
rats_tls_receive() in sgx mode

@Ben-cpy Ben-cpy force-pushed the fuzz_sgx branch 4 times, most recently from 673d835 to f13edd0 Compare October 14, 2023 08:43
@Ben-cpy Ben-cpy force-pushed the fuzz_sgx branch 2 times, most recently from 83bc27e to 897b012 Compare October 17, 2023 08:42
@Ben-cpy Ben-cpy force-pushed the fuzz_sgx branch 2 times, most recently from 1f27728 to 3fbcf16 Compare October 30, 2023 14:49
@haosanzi haosanzi marked this pull request as ready for review October 31, 2023 08:15
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}")

fuzz/README.md Outdated Show resolved Hide resolved
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 ?

uint16_t s_port = htons((uint16_t)FUZZ_PORT);

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]>
@@ -58,6 +62,11 @@ if(SGX)

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,

@@ -12,6 +12,10 @@ else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
endif()

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

@Ben-cpy Ben-cpy force-pushed the fuzz_sgx branch 2 times, most recently from cf1d777 to 2f6f25f Compare November 20, 2023 03:29
@Ben-cpy Ben-cpy force-pushed the fuzz_sgx branch 2 times, most recently from 9898753 to fb8ba10 Compare December 11, 2023 15:01
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2 participants