fix driver

1 files changed, 0 insertions, 20 deletions

diff --git a/examples/aflpp_driver/aflpp_driver.c b/examples/aflpp_driver/aflpp_driver.c
index 35b4f67f..a3a78b4e 100644
--- a/examples/aflpp_driver/aflpp_driver.c
+++ b/examples/aflpp_driver/aflpp_driver.c
@@ -106,9 +106,6 @@ If 1, close stdout at startup. If 2 close stderr; if 3 close both.
   #error "Support for your platform has not been implemented"
 #endif
 
-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.
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 __attribute__((weak)) int LLVMFuzzerInitialize(int *argc, char ***argv);
@@ -248,24 +245,11 @@ static int ExecuteFilesOnyByOne(int argc, char **argv) {
 __attribute__((constructor(1))) void __afl_protect(void) {
 
   setenv("__AFL_DEFER_FORKSRV", "1", 1);
-  __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);
-  // __afl_cmp_map = (struct cmp_map *)__afl_area_ptr;
 
 }
 
 int main(int argc, char **argv) {
 
-  fprintf(stderr, "dummy map is at %p\n", __afl_area_ptr);
   unsigned char buf[1024000];
 
   printf(
@@ -304,8 +288,6 @@ int main(int argc, char **argv) {
     printf("WARNING: using the deprecated call style `%s %d`\n", argv[0], N);
   else if (argc > 1) {
 
-    munmap(__afl_area_ptr, MAX_DUMMY_SIZE);  // we need to free 0x10000
-    __afl_area_ptr = NULL;
     __afl_manual_init();
     return ExecuteFilesOnyByOne(argc, argv);
 
@@ -314,8 +296,6 @@ int main(int argc, char **argv) {
   assert(N > 0);
 
   //  if (!getenv("AFL_DRIVER_DONT_DEFER"))
-  munmap(__afl_area_ptr, MAX_DUMMY_SIZE);
-  __afl_area_ptr = NULL;
   __afl_manual_init();
 
   // Call LLVMFuzzerTestOneInput here so that coverage caused by initialization