fix a fundamental bug: favor random branch randomly
MODIFY
include/afl-as.h
include/afl-as.h
@@ -192,7 +192,7 @@ static const u8 *main_payload_32 =
#ifdef SKIP_COUNTS
" orb $1, (%edx, %edi, 1)\n"
#else
- " incb (%edx, %edi, 1)\n"
+ " addb $1, (%edx, %edi, 1)\n"
" adcb $0, (%edx, %edi, 1)\n" // never zero counter implementation. slightly better path discovery and little performance impact
#endif /* ^SKIP_COUNTS */
"\n"
@@ -447,7 +447,7 @@ static const u8 *main_payload_64 =
#ifdef SKIP_COUNTS
" orb $1, (%rdx, %rcx, 1)\n"
#else
- " incb (%rdx, %rcx, 1)\n"
+ " addb $1, (%rdx, %rcx, 1)\n"
" adcb $0, (%rdx, %rcx, 1)\n" // never zero counter implementation. slightly better path discovery and little performance impact
#endif /* ^SKIP_COUNTS */
"\n"

fix a fundamental bug: favor random branch randomly