fix

1 files changed, 3 insertions, 1 deletions

diff --git a/instrumentation/afl-compiler-rt.o.c b/instrumentation/afl-compiler-rt.o.c
index ff3998e6..694d61c1 100644
--- a/instrumentation/afl-compiler-rt.o.c
+++ b/instrumentation/afl-compiler-rt.o.c
@@ -2086,7 +2086,7 @@ void __cmplog_rtn_hook(u8 *ptr1, u8 *ptr2) {
   if ((l1 = area_is_valid(ptr1, 32)) <= 0 ||
       (l2 = area_is_valid(ptr2, 32)) <= 0)
     return;
-  int len = MIN(l1, l2);
+  int len = MIN(31, MIN(l1, l2));
 
   // fprintf(stderr, "RTN2 %u\n", len);
   uintptr_t k = (uintptr_t)__builtin_return_address(0);
@@ -2124,6 +2124,8 @@ void __cmplog_rtn_hook(u8 *ptr1, u8 *ptr2) {
 
   }
 
+  cmpfn[hits].v0_len = len;
+  cmpfn[hits].v1_len = len;
   __builtin_memcpy(cmpfn[hits].v0, ptr1, len);
   __builtin_memcpy(cmpfn[hits].v1, ptr2, len);
   // fprintf(stderr, "RTN3\n");