fix post_process

src/afl-fuzz-run.c

@@ -135,8 +135,11 @@ write_to_testcase(afl_state_t *afl, void **mem, u32 len, u32 fix) {
 
     if (new_mem != *mem && new_mem != NULL && new_size > 0) {
 
-      *mem = afl_realloc((void **)mem, new_size);
-      memmove(*mem, new_mem, new_size);
+      u8 *new_buf = afl_realloc(AFL_BUF_PARAM(out_scratch), new_size);
+      if (unlikely(!new_buf)) { PFATAL("alloc"); }
+      *mem = new_buf;
+      memcpy(*mem, new_mem, new_size);
+      afl_swap_bufs(AFL_BUF_PARAM(out), AFL_BUF_PARAM(out_scratch));
 
     }