#include <cstring>
#include <cstdio>
+extern int AllLines[];
+
+bool PrintOnce(int Line) {
+ if (!AllLines[Line])
+ fprintf(stderr, "Seen line %d\n", Line);
+ AllLines[Line] = 1;
+ return true;
+}
+
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
- if (Size < 14) return 0;
+ if (Size != 22) return 0;
uint64_t x = 0;
int64_t y = 0;
- int z = 0;
- unsigned short a = 0;
- memcpy(&x, Data, 8);
- memcpy(&y, Data + Size - 8, 8);
- memcpy(&z, Data + Size / 2, sizeof(z));
- memcpy(&a, Data + Size / 2 + 4, sizeof(a));
+ int32_t z = 0;
+ uint16_t a = 0;
+ memcpy(&x, Data, 8); // 8
+ memcpy(&y, Data + 8, 8); // 16
+ memcpy(&z, Data + 16, sizeof(z)); // 20
+ memcpy(&a, Data + 20, sizeof(a)); // 22
- if (x > 1234567890 &&
- x < 1234567895 &&
- y >= 987654321 &&
- y <= 987654325 &&
- z < -10000 &&
- z >= -10005 &&
- z != -10003 &&
- a == 4242 &&
+ if (x > 1234567890 && PrintOnce(__LINE__) &&
+ x < 1234567895 && PrintOnce(__LINE__) &&
+ a == 0x4242 && PrintOnce(__LINE__) &&
+ y >= 987654321 && PrintOnce(__LINE__) &&
+ y <= 987654325 && PrintOnce(__LINE__) &&
+ z < -10000 && PrintOnce(__LINE__) &&
+ z >= -10005 && PrintOnce(__LINE__) &&
+ z != -10003 && PrintOnce(__LINE__) &&
true) {
fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n",
Size, x, y, z, a);
}
return 0;
}
+
+int AllLines[__LINE__ + 1]; // Must be the last line.