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fix

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This commit is contained in:
van Hauser 2020-08-06 19:13:04 +02:00
parent 970d75d681
commit e048d95660
1 changed files with 7 additions and 6 deletions
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13
examples/aflpp_driver/aflpp_driver.c
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@ -68,6 +68,8 @@ If 1, close stdout at startup. If 2 close stderr; if 3 close both.
#define MAP_FIXED_NOREPLACE 0x100000
#endif
#define MAX_DUMMY_SIZE 256000
// Platform detection. Copied from FuzzerInternal.h
#ifdef __linux__
#define LIBFUZZER_LINUX 1
@ -246,10 +248,10 @@ static int ExecuteFilesOnyByOne(int argc, char **argv) {
int main(int argc, char **argv) {
uint8_t *dummy = (uint8_t*) mmap((void *)0x1000, 256000, PROT_READ | PROT_WRITE,
uint8_t *dummy = (uint8_t*) mmap((void *)0x1000, MAX_DUMMY_SIZE, PROT_READ | PROT_WRITE,
MAP_FIXED_NOREPLACE | MAP_SHARED | MAP_ANONYMOUS, -1, 0);
if ((uint64_t)dummy == -1)
dummy = (uint8_t*) mmap(0, 256000, PROT_READ | PROT_WRITE,
dummy = (uint8_t*) mmap(0, MAX_DUMMY_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
__afl_area_ptr = dummy;
fprintf(stderr, "dummy: %p\n", __afl_area_ptr);
@ -261,8 +263,7 @@ int main(int argc, char **argv) {
" %s INPUT_FILE1 [INPUT_FILE2 ... ]\n"
"To fuzz with afl-fuzz execute this:\n"
" afl-fuzz [afl-flags] -- %s [-N]\n"
"afl-fuzz will run N iterations before "
"re-spawning the process (default: 1000)\n"
"afl-fuzz will run N iterations before re-spawning the process (default: 1000)\n"
"======================================================\n",
argv[0], argv[0]);
@ -291,7 +292,7 @@ int main(int argc, char **argv) {
// if (!getenv("AFL_DRIVER_DONT_DEFER")) {
__afl_sharedmem_fuzzing = 0;
munmap(dummy, 256000);
munmap(dummy, MAX_DUMMY_SIZE);
__afl_manual_init();
// }
return ExecuteFilesOnyByOne(argc, argv);
@ -302,7 +303,7 @@ int main(int argc, char **argv) {
assert(N > 0);
// if (!getenv("AFL_DRIVER_DONT_DEFER"))
munmap(dummy, 256000);
munmap(dummy, MAX_DUMMY_SIZE);
__afl_manual_init();
// Call LLVMFuzzerTestOneInput here so that coverage caused by initialization