ExternalVendorCode/AFLplusplus
1
0
Fork 0
mirror of https://github.com/AFLplusplus/AFLplusplus.git synced 2025-06-20 21:25:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix

Browse Source
This commit is contained in:
van Hauser
2020-08-06 19:37:13 +02:00
parent e048d95660
commit bbfff7d472
1 changed files with 15 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
examples/aflpp_driver/aflpp_driver.c
View File

@ -246,15 +246,21 @@ static int ExecuteFilesOnyByOne(int argc, char **argv) {
}
__attribute__((constructor(10))) void __afl_protect(void) {
__afl_area_ptr = (unsigned char*) mmap((void *)0x10000, MAX_DUMMY_SIZE, PROT_READ | PROT_WRITE,
MAP_FIXED_NOREPLACE | MAP_SHARED | MAP_ANONYMOUS, -1, 0);
if ((uint64_t)__afl_area_ptr == -1)
__afl_area_ptr = (unsigned char*) mmap((void *)0x10000, MAX_DUMMY_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
if ((uint64_t)__afl_area_ptr == -1)
__afl_area_ptr = (unsigned char*) mmap(NULL, MAX_DUMMY_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
}
int main(int argc, char **argv) {
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, 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);
fprintf(stderr, "dummy map is at %p\n", __afl_area_ptr);
printf(
"======================= INFO =========================\n"
@ -292,7 +298,7 @@ int main(int argc, char **argv) {
// if (!getenv("AFL_DRIVER_DONT_DEFER")) {
__afl_sharedmem_fuzzing = 0;
munmap(dummy, MAX_DUMMY_SIZE);
munmap(__afl_area_ptr, MAX_DUMMY_SIZE);
__afl_manual_init();
// }
return ExecuteFilesOnyByOne(argc, argv);
@ -303,7 +309,7 @@ int main(int argc, char **argv) {
assert(N > 0);
// if (!getenv("AFL_DRIVER_DONT_DEFER"))
munmap(dummy, MAX_DUMMY_SIZE);
munmap(__afl_area_ptr, MAX_DUMMY_SIZE);
__afl_manual_init();
// Call LLVMFuzzerTestOneInput here so that coverage caused by initialization