diff options
Diffstat (limited to 'examples/aflpp_driver/aflpp_driver.c')
| -rw-r--r-- | examples/aflpp_driver/aflpp_driver.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/examples/aflpp_driver/aflpp_driver.c b/examples/aflpp_driver/aflpp_driver.c index 6ec37cda..90f9cf99 100644 --- a/examples/aflpp_driver/aflpp_driver.c +++ b/examples/aflpp_driver/aflpp_driver.c @@ -66,7 +66,7 @@ If 1, close stdout at startup. If 2 close stderr; if 3 close both. #endif #ifndef MAP_FIXED_NOREPLACE -#define MAP_FIXED_NOREPLACE 0x100000 + #define MAP_FIXED_NOREPLACE 0x100000 #endif #define MAX_DUMMY_SIZE 256000 @@ -106,10 +106,10 @@ If 1, close stdout at startup. If 2 close stderr; if 3 close both. #error "Support for your platform has not been implemented" #endif -int __afl_sharedmem_fuzzing = 1; -extern unsigned int * __afl_fuzz_len; -extern unsigned char *__afl_fuzz_ptr; -extern unsigned char *__afl_area_ptr; +int __afl_sharedmem_fuzzing = 1; +extern unsigned int * __afl_fuzz_len; +extern unsigned char * __afl_fuzz_ptr; +extern unsigned char * __afl_area_ptr; extern struct cmp_map *__afl_cmp_map; // libFuzzer interface is thin, so we don't include any libFuzzer headers. @@ -249,17 +249,21 @@ 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); + + __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); + __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); - __afl_cmp_map = (struct cmp_map *) __afl_area_ptr; -} + __afl_area_ptr = + (unsigned char *)mmap(NULL, MAX_DUMMY_SIZE, PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_ANONYMOUS, -1, 0); + __afl_cmp_map = (struct cmp_map *)__afl_area_ptr; +} int main(int argc, char **argv) { @@ -272,7 +276,8 @@ 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]); @@ -280,9 +285,11 @@ int main(int argc, char **argv) { maybe_duplicate_stderr(); maybe_close_fd_mask(); if (LLVMFuzzerInitialize) { + fprintf(stderr, "Running LLVMFuzzerInitialize ...\n"); LLVMFuzzerInitialize(&argc, &argv); fprintf(stderr, "continue...\n"); + } // Do any other expensive one-time initialization here. |