better ignore problem handling
MODIFY
instrumentation/afl-compiler-rt.o.c
instrumentation/afl-compiler-rt.o.c
@@ -1433,9 +1433,12 @@ void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
} else {
+ static u32 offset = 4;
+
while (start < stop) {
- *(start++) = 4;
+ *(start++) = offset;
+ if (unlikely(++offset >= __afl_final_loc)) { offset = 4; }
}
@@ -1444,7 +1447,7 @@ void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
}
x = getenv("AFL_INST_RATIO");
- if (x) inst_ratio = (u32)atoi(x);
+ if (x) { inst_ratio = (u32)atoi(x); }
if (!inst_ratio || inst_ratio > 100) {

better ignore problem handling