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#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
// libFuzzer interface is thin, so we don't include any libFuzzer headers.
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
__attribute__((weak)) int LLVMFuzzerInitialize(int *argc, char ***argv);
static const size_t kMaxAflInputSize = 1 * 1024 * 1024;
static uint8_t AflInputBuf[kMaxAflInputSize];
void __attribute__((noinline)) afl_qemu_driver_stdin_input(void) {
size_t l = read(0, AflInputBuf, kMaxAflInputSize);
LLVMFuzzerTestOneInput(AflInputBuf, l);
}
int main(int argc, char **argv) {
if (LLVMFuzzerInitialize) LLVMFuzzerInitialize(&argc, &argv);
// Do any other expensive one-time initialization here.
if (getenv("AFL_QEMU_DRIVER_NO_HOOK")) {
afl_qemu_driver_stdin_input();
} else {
uint8_t dummy_input[1024000] = {0};
LLVMFuzzerTestOneInput(dummy_input, 1);
}
return 0;
}
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