Fuzz introspector: fuzz_gcrypt_gcm
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
5 70 mbedtls_gcm_update call site: {node_id}
2 86 mbedtls_aesni_has_support call site: {node_id}
2 115 mbedtls_gcm_update_ad call site: {node_id} gcm_mult
1 37 mbedtls_cipher_setkey call site: {node_id}
1 48 mbedtls_cipher_update call site: {node_id} mbedtls_gcm_update
1 59 gcm_mult call site: {node_id} gcm_mask
1 61 gcm_mask call site: {node_id}
1 64 gcm_mask call site: {node_id} gcm_mult
1 80 gcm_gen_table call site: {node_id}
1 124 mbedtls_gcm_finish call site: {node_id} gcm_mult

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FuzzedDataProvider::remaining_bytes [function] [call site] 00001
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00006
1 FuzzedDataProvider::PickValueInArray [function] [call site] 00007
1 FuzzedDataProvider::ConsumeBytes [function] [call site] 00008
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00009
1 FuzzedDataProvider::ConsumeBytes [function] [call site] 00010
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00011
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00013
1 FuzzedDataProvider::ConsumeBytes [function] [call site] 00014
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00015
1 FuzzedDataProvider::ConsumeBytes [function] [call site] 00016
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00019
1 static_cast<mbedtls_cipher_id_t> [function] [call site] 00020
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00021
1 FuzzedDataProvider::remaining_bytes [function] [call site] 00023
1 mbedtls_gcm_init [function] [call site] 00024
1 mbedtls_gcm_init [function] [call site] 00027
1 mbedtls_gcm_setkey [function] [call site] 00028
2 GCM_VALIDATE_RET [function] [call site] 00029
2 GCM_VALIDATE_RET [function] [call site] 00030
2 GCM_VALIDATE_RET [function] [call site] 00031
2 mbedtls_cipher_info_from_values [function] [call site] 00032
2 mbedtls_cipher_setkey [function] [call site] 00033
3 CIPHER_VALIDATE_RET [function] [call site] 00034
3 CIPHER_VALIDATE_RET [function] [call site] 00035
3 CIPHER_VALIDATE_RET [function] [call site] 00036
3 mbedtls_cipher_context_t*::cipher_info::base::setkey_enc_func [function] [call site] 00037
3 mbedtls_cipher_context_t*::cipher_info::base::setkey_dec_func [function] [call site] 00038
2 gcm_gen_table [function] [call site] 00039
3 mbedtls_cipher_update [function] [call site] 00041
4 CIPHER_VALIDATE_RET [function] [call site] 00042
4 CIPHER_VALIDATE_RET [function] [call site] 00043
4 CIPHER_VALIDATE_RET [function] [call site] 00044
4 CIPHER_VALIDATE_RET [function] [call site] 00045
4 mbedtls_cipher_get_block_size [function] [call site] 00046
5 MBEDTLS_INTERNAL_VALIDATE_RET [function] [call site] 00047
4 mbedtls_cipher_context_t*::cipher_info::base::ecb_func [function] [call site] 00048
4 mbedtls_gcm_update [function] [call site] 00049
5 GCM_VALIDATE_RET [function] [call site] 00050
5 GCM_VALIDATE_RET [function] [call site] 00051
5 GCM_VALIDATE_RET [function] [call site] 00052
5 GCM_VALIDATE_RET [function] [call site] 00053
5 gcm_mult [function] [call site] 00054
6 MBEDTLS_PUT_UINT64_BE [function] [call site] 00055
6 MBEDTLS_PUT_UINT64_BE [function] [call site] 00056
6 mbedtls_aesni_gcm_mult [function] [call site] 00057
6 MBEDTLS_PUT_UINT64_BE [function] [call site] 00058
6 MBEDTLS_PUT_UINT64_BE [function] [call site] 00059
5 gcm_mask [function] [call site] 00060
6 mbedtls_cipher_update [function] [call site] 00061
6 mbedtls_platform_zeroize [function] [call site] 00062
6 xorbytes3d [function] [call site] 00063
6 xorbytes3e [function] [call site] 00064
4 mbedtls_cipher_context_t*::cipher_info::base::cbc_func [function] [call site] 00073
4 mbedtls_cipher_context_t*::cipher_info::base::cbc_func [function] [call site] 00075
3 MBEDTLS_GET_UINT32_BE [function] [call site] 00076
3 MBEDTLS_GET_UINT32_BE [function] [call site] 00077
3 MBEDTLS_GET_UINT32_BE [function] [call site] 00078
3 MBEDTLS_GET_UINT32_BE [function] [call site] 00079
1 std::vector::data [function] [call site] 00089
1 std::vector::size [function] [call site] 00090
1 mbedtls_gcm_setkey [function] [call site] 00091
1 std::vector::data [function] [call site] 00092
1 std::vector::size [function] [call site] 00093
1 mbedtls_gcm_crypt_and_tag [function] [call site] 00094
2 GCM_VALIDATE_RET [function] [call site] 00095
2 GCM_VALIDATE_RET [function] [call site] 00096
2 GCM_VALIDATE_RET [function] [call site] 00097
2 GCM_VALIDATE_RET [function] [call site] 00098
2 GCM_VALIDATE_RET [function] [call site] 00099
2 GCM_VALIDATE_RET [function] [call site] 00100
2 mbedtls_gcm_starts [function] [call site] 00101
3 GCM_VALIDATE_RET [function] [call site] 00102
3 GCM_VALIDATE_RET [function] [call site] 00103
3 MBEDTLS_PUT_UINT64_BE [function] [call site] 00108
3 mbedtls_cipher_update [function] [call site] 00113
2 mbedtls_gcm_update_ad [function] [call site] 00114
2 mbedtls_gcm_update [function] [call site] 00121
2 mbedtls_gcm_finish [function] [call site] 00122
3 GCM_VALIDATE_RET [function] [call site] 00123
3 GCM_VALIDATE_RET [function] [call site] 00124
3 MBEDTLS_PUT_UINT64_BE [function] [call site] 00128
3 MBEDTLS_PUT_UINT64_BE [function] [call site] 00129
1 std::vector::size [function] [call site] 00133
1 std::vector::data [function] [call site] 00134
1 std::vector::size [function] [call site] 00135
1 std::vector::data [function] [call site] 00136
1 std::vector::size [function] [call site] 00137
1 std::vector::data [function] [call site] 00138
1 mbedtls_gcm_auth_decrypt [function] [call site] 00139
2 GCM_VALIDATE_RET [function] [call site] 00140
2 GCM_VALIDATE_RET [function] [call site] 00141
2 GCM_VALIDATE_RET [function] [call site] 00142
2 GCM_VALIDATE_RET [function] [call site] 00143
2 GCM_VALIDATE_RET [function] [call site] 00144
2 GCM_VALIDATE_RET [function] [call site] 00145
2 mbedtls_gcm_crypt_and_tag [function] [call site] 00146
2 mbedtls_platform_zeroize [function] [call site] 00147
1 std::vector::size [function] [call site] 00148
1 std::vector::data [function] [call site] 00149
1 std::vector::size [function] [call site] 00150
1 std::vector::data [function] [call site] 00151
1 std::vector::size [function] [call site] 00152
1 std::vector::data [function] [call site] 00155
1 std::vector::size [function] [call site] 00156
1 mbedtls_gcm_free [function] [call site] 00158
1 mbedtls_gcm_free [function] [call site] 00159