LLVMFuzzerTestOneInput: 42| 298|extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 43| | 44| 298| if (!size) ------------------ | Branch (44:7): [True: 0, False: 298] ------------------ 45| 0| return 0; 46| | 47| 298| FuzzedDataProvider stream(data, size); 48| 298| hash_state *hs; 49| 298| if (init(&hs)) ------------------ | | 28| 298|#define init CONCAT_TYPE(_init) | | ------------------ | | | | 26| 298|#define CONCAT_TYPE(x) _PASTE2(HASHTYPE, x) | | | | ------------------ | | | | | | 59| 298|#define _PASTE2(x,y) _PASTE(x,y) | | | | | | ------------------ | | | | | | | | 58| 298|#define _PASTE(x,y) x##y | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ | Branch (49:7): [True: 0, False: 298] ------------------ 50| 0| return 0; 51| | 52| 1.36k| while (stream.remaining_bytes()) { ------------------ | Branch (52:10): [True: 1.23k, False: 129] ------------------ 53| 1.23k| size_t num_bytes = stream.ConsumeIntegral(); 54| 1.23k| std::vector buffer = stream.ConsumeBytes(num_bytes); 55| | 56| 1.23k| if (update(hs, buffer.data(), buffer.size())) ------------------ | | 29| 1.23k|#define update CONCAT_TYPE(_update) | | ------------------ | | | | 26| 1.23k|#define CONCAT_TYPE(x) _PASTE2(HASHTYPE, x) | | | | ------------------ | | | | | | 59| 1.23k|#define _PASTE2(x,y) _PASTE(x,y) | | | | | | ------------------ | | | | | | | | 58| 1.23k|#define _PASTE(x,y) x##y | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ | Branch (56:9): [True: 169, False: 1.06k] ------------------ 57| 169| goto error; 58| 1.23k| } 59| | 60| 129| uint8_t result[DIGEST_SIZE]; 61| | 62| 129|#ifndef DIGEST_THIRD_PARAM 63| 129| digest(hs, result); ------------------ | | 30| 129|#define digest CONCAT_TYPE(_digest) | | ------------------ | | | | 26| 129|#define CONCAT_TYPE(x) _PASTE2(HASHTYPE, x) | | | | ------------------ | | | | | | 59| 129|#define _PASTE2(x,y) _PASTE(x,y) | | | | | | ------------------ | | | | | | | | 58| 129|#define _PASTE(x,y) x##y | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 64| |#else 65| | digest(hs, result, DIGEST_SIZE); 66| |#endif 67| | 68| 298|error: 69| 298| destroy(hs); ------------------ | | 31| 298|#define destroy CONCAT_TYPE(_destroy) | | ------------------ | | | | 26| 298|#define CONCAT_TYPE(x) _PASTE2(HASHTYPE, x) | | | | ------------------ | | | | | | 59| 298|#define _PASTE2(x,y) _PASTE(x,y) | | | | | | ------------------ | | | | | | | | 58| 298|#define _PASTE(x,y) x##y | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 70| 298| return 0; 71| 129|} _Z8md2_initPP10hash_state: 40| 298|{ 41| 298| hash_state *hs; 42| | 43| 298| if (NULL == md2State) { ------------------ | Branch (43:9): [True: 0, False: 298] ------------------ 44| 0| return ERR_NULL; ------------------ | | 5| 0|#define ERR_NULL 1 ------------------ 45| 0| } 46| | 47| 298| *md2State = hs = (hash_state*) calloc(1, sizeof(hash_state)); 48| 298| if (NULL == hs) ------------------ | Branch (48:9): [True: 0, False: 298] ------------------ 49| 0| return ERR_MEMORY; ------------------ | | 6| 0|#define ERR_MEMORY 2 ------------------ 50| | 51| 298| return 0; 52| 298|} _Z11md2_destroyP10hash_state: 55| 298|{ 56| 298| free(hs); 57| 298| return 0; 58| 298|} _Z10md2_updateP10hash_statePKhm: 92| 1.49k|{ 93| 1.49k| if (NULL == hs || NULL == buf) ------------------ | Branch (93:9): [True: 0, False: 1.49k] | Branch (93:23): [True: 169, False: 1.32k] ------------------ 94| 169| return ERR_NULL; ------------------ | | 5| 169|#define ERR_NULL 1 ------------------ 95| | 96| 1.11M| while (len) { ------------------ | Branch (96:12): [True: 1.11M, False: 1.32k] ------------------ 97| 1.11M| unsigned left, tc; 98| | 99| 1.11M| left = 16 - hs->count; /** 1..16 **/ 100| 1.11M| tc = (unsigned)MIN(left, len); ------------------ | | 55| 1.11M|#define MIN(a,b) ((a)<(b)?(a):(b)) | | ------------------ | | | Branch (55:19): [True: 1.11M, False: 1.32k] | | ------------------ ------------------ 101| 1.11M| memcpy(hs->buf+hs->count, buf, tc); 102| 1.11M| hs->count += tc; 103| 1.11M| buf += tc; 104| 1.11M| len -= tc; 105| | 106| 1.11M| if (hs->count==16) { ------------------ | Branch (106:13): [True: 1.11M, False: 997] ------------------ 107| 1.11M| uint8_t L, t; 108| 1.11M| unsigned j; 109| | 110| 1.11M| hs->count = 0; 111| | 112| 1.11M| L = hs->C[15]; 113| 18.9M| for(j=0; j<16; j++) { ------------------ | Branch (113:22): [True: 17.8M, False: 1.11M] ------------------ 114| 17.8M| hs->X[16+j] = hs->buf[j]; 115| 17.8M| hs->X[32+j] = hs->X[16+j] ^ hs->X[j]; 116| | 117| | /** Update checksum **/ 118| 17.8M| hs->C[j] ^= S[hs->buf[j] ^ L]; 119| 17.8M| L = hs->C[j]; 120| 17.8M| } 121| | 122| 1.11M| t = 0; 123| 21.1M| for(j=0; j<18; j++) { ------------------ | Branch (123:22): [True: 20.0M, False: 1.11M] ------------------ 124| 20.0M| unsigned k; 125| 983M| for(k=0; k<48; k++) { ------------------ | Branch (125:26): [True: 963M, False: 20.0M] ------------------ 126| 963M| hs->X[k] ^= S[t]; 127| 963M| t = hs->X[k]; 128| 963M| } 129| 20.0M| t = (t+j) & 0xFF; 130| 20.0M| } 131| 1.11M| } 132| 1.11M| } 133| 1.32k| return 0; 134| 1.49k|} _Z10md2_digestPK10hash_statePh: 137| 129|{ 138| 129| uint8_t padding[16]; 139| 129| unsigned padlen, i; 140| 129| hash_state temp; 141| | 142| 129| if (NULL==hs || digest==NULL) ------------------ | | 30| 129|#define digest CONCAT_TYPE(_digest) | | ------------------ | | | | 26| 129|#define CONCAT_TYPE(x) _PASTE2(HASHTYPE, x) | | | | ------------------ | | | | | | 59| 129|#define _PASTE2(x,y) _PASTE(x,y) | | | | | | ------------------ | | | | | | | | 58| 129|#define _PASTE(x,y) x##y | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ | Branch (142:9): [True: 0, False: 129] | Branch (142:21): [True: 0, False: 129] ------------------ 143| 0| return ERR_NULL; ------------------ | | 5| 0|#define ERR_NULL 1 ------------------ 144| | 145| 129| assert(hs->count < 16); 146| | 147| 129| temp = *hs; 148| 129| padlen = 16 - hs->count; /** 1..16 **/ 149| 1.36k| for(i=0; i