diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/afl-fuzz.h | 29 | ||||
-rw-r--r-- | include/debug.h | 67 | ||||
-rw-r--r-- | include/envs.h | 3 |
3 files changed, 63 insertions, 36 deletions
diff --git a/include/afl-fuzz.h b/include/afl-fuzz.h index b82ddb4a..51ab0e85 100644 --- a/include/afl-fuzz.h +++ b/include/afl-fuzz.h @@ -656,6 +656,7 @@ typedef struct afl_state { struct custom_mutator { const char *name; + char * name_short; void * dh; u8 * post_process_buf; size_t post_process_size; @@ -986,6 +987,8 @@ uint64_t rand_next(afl_state_t *afl); static inline u32 rand_below(afl_state_t *afl, u32 limit) { + if (limit <= 1) return 0; + /* The boundary not being necessarily a power of 2, we need to ensure the result uniformity. */ if (unlikely(!afl->rand_cnt--) && likely(!afl->fixed_seed)) { @@ -1001,6 +1004,32 @@ static inline u32 rand_below(afl_state_t *afl, u32 limit) { } +/* we prefer lower range values here */ +/* this is only called with normal havoc, not MOpt, to have an equalizer for + expand havoc mode */ +static inline u32 rand_below_datalen(afl_state_t *afl, u32 limit) { + + if (limit <= 1) return 0; + + switch (rand_below(afl, 3)) { + + case 2: + return (rand_below(afl, limit) % (1 + rand_below(afl, limit - 1))) % + (1 + rand_below(afl, limit - 1)); + break; + case 1: + return rand_below(afl, limit) % (1 + rand_below(afl, limit - 1)); + break; + case 0: + return rand_below(afl, limit); + break; + + } + + return 1; // cannot be reached + +} + static inline s64 rand_get_seed(afl_state_t *afl) { if (unlikely(afl->fixed_seed)) { return afl->init_seed; } diff --git a/include/debug.h b/include/debug.h index d1bd971b..f9ebce58 100644 --- a/include/debug.h +++ b/include/debug.h @@ -28,11 +28,6 @@ #include "types.h" #include "config.h" -/* __FUNCTION__ is non-iso */ -#ifdef __func__ - #define __FUNCTION__ __func__ -#endif - /******************* * Terminal colors * *******************/ @@ -223,43 +218,43 @@ /* Die with a verbose non-OS fatal error message. */ -#define FATAL(x...) \ - do { \ - \ - SAYF(bSTOP RESET_G1 CURSOR_SHOW cRST cLRD \ - "\n[-] PROGRAM ABORT : " cRST x); \ - SAYF(cLRD "\n Location : " cRST "%s(), %s:%u\n\n", __FUNCTION__, \ - __FILE__, __LINE__); \ - exit(1); \ - \ +#define FATAL(x...) \ + do { \ + \ + SAYF(bSTOP RESET_G1 CURSOR_SHOW cRST cLRD \ + "\n[-] PROGRAM ABORT : " cRST x); \ + SAYF(cLRD "\n Location : " cRST "%s(), %s:%u\n\n", __func__, \ + __FILE__, __LINE__); \ + exit(1); \ + \ } while (0) /* Die by calling abort() to provide a core dump. */ -#define ABORT(x...) \ - do { \ - \ - SAYF(bSTOP RESET_G1 CURSOR_SHOW cRST cLRD \ - "\n[-] PROGRAM ABORT : " cRST x); \ - SAYF(cLRD "\n Stop location : " cRST "%s(), %s:%u\n\n", __FUNCTION__, \ - __FILE__, __LINE__); \ - abort(); \ - \ +#define ABORT(x...) \ + do { \ + \ + SAYF(bSTOP RESET_G1 CURSOR_SHOW cRST cLRD \ + "\n[-] PROGRAM ABORT : " cRST x); \ + SAYF(cLRD "\n Stop location : " cRST "%s(), %s:%u\n\n", __func__, \ + __FILE__, __LINE__); \ + abort(); \ + \ } while (0) /* Die while also including the output of perror(). */ -#define PFATAL(x...) \ - do { \ - \ - fflush(stdout); \ - SAYF(bSTOP RESET_G1 CURSOR_SHOW cRST cLRD \ - "\n[-] SYSTEM ERROR : " cRST x); \ - SAYF(cLRD "\n Stop location : " cRST "%s(), %s:%u\n", __FUNCTION__, \ - __FILE__, __LINE__); \ - SAYF(cLRD " OS message : " cRST "%s\n", strerror(errno)); \ - exit(1); \ - \ +#define PFATAL(x...) \ + do { \ + \ + fflush(stdout); \ + SAYF(bSTOP RESET_G1 CURSOR_SHOW cRST cLRD \ + "\n[-] SYSTEM ERROR : " cRST x); \ + SAYF(cLRD "\n Stop location : " cRST "%s(), %s:%u\n", __func__, \ + __FILE__, __LINE__); \ + SAYF(cLRD " OS message : " cRST "%s\n", strerror(errno)); \ + exit(1); \ + \ } while (0) /* Die with FATAL() or PFATAL() depending on the value of res (used to @@ -281,7 +276,7 @@ #define ck_write(fd, buf, len, fn) \ do { \ \ - u32 _len = (len); \ + s32 _len = (s32)(len); \ s32 _res = write(fd, buf, _len); \ if (_res != _len) RPFATAL(_res, "Short write to %s", fn); \ \ @@ -290,7 +285,7 @@ #define ck_read(fd, buf, len, fn) \ do { \ \ - u32 _len = (len); \ + s32 _len = (s32)(len); \ s32 _res = read(fd, buf, _len); \ if (_res != _len) RPFATAL(_res, "Short read from %s", fn); \ \ diff --git a/include/envs.h b/include/envs.h index 7153ed47..96ae91ba 100644 --- a/include/envs.h +++ b/include/envs.h @@ -62,6 +62,9 @@ static char *afl_environment_variables[] = { "AFL_REAL_LD", "AFL_LD_PRELOAD", "AFL_LD_VERBOSE", + "AFL_LLVM_ALLOWLIST", + "AFL_LLVM_DENYLIST", + "AFL_LLVM_BLOCKLIST", "AFL_LLVM_CMPLOG", "AFL_LLVM_INSTRIM", "AFL_LLVM_CTX", |