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This commit is contained in:
van Hauser
2019-11-11 23:50:31 +01:00
parent 613ab3ba2a
commit 760d4991f3
11 changed files with 33 additions and 26 deletions
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4
src/afl-as.c
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@ -71,7 +71,7 @@ static u32 inst_ratio = 100, /* Instrumentation probability (%) */
instrumentation for whichever mode we were compiled with. This is not
perfect, but should do the trick for almost all use cases. */
#ifdef __x86_64__
#ifdef WORD_SIZE_64
static u8 use_64bit = 1;
@ -83,7 +83,7 @@ static u8 use_64bit = 0;
#error "Sorry, 32-bit Apple platforms are not supported."
#endif /* __APPLE__ */
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
/* Examine and modify parameters to pass to 'as'. Note that the file name
is always the last parameter passed by GCC, so we exploit this property

24
src/afl-fuzz-bitmap.c
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@ -73,7 +73,7 @@ void read_bitmap(u8* fname) {
u8 has_new_bits(u8* virgin_map) {
#ifdef __x86_64__
#ifdef WORD_SIZE_64
u64* current = (u64*)trace_bits;
u64* virgin = (u64*)virgin_map;
@ -87,7 +87,7 @@ u8 has_new_bits(u8* virgin_map) {
u32 i = (MAP_SIZE >> 2);
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
u8 ret = 0;
@ -107,7 +107,7 @@ u8 has_new_bits(u8* virgin_map) {
/* Looks like we have not found any new bytes yet; see if any non-zero
bytes in current[] are pristine in virgin[]. */
#ifdef __x86_64__
#ifdef WORD_SIZE_64
if ((cur[0] && vir[0] == 0xff) || (cur[1] && vir[1] == 0xff) ||
(cur[2] && vir[2] == 0xff) || (cur[3] && vir[3] == 0xff) ||
@ -125,7 +125,7 @@ u8 has_new_bits(u8* virgin_map) {
else
ret = 1;
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
}
@ -244,7 +244,7 @@ const u8 simplify_lookup[256] = {
};
#ifdef __x86_64__
#ifdef WORD_SIZE_64
void simplify_trace(u64* mem) {
@ -306,7 +306,7 @@ void simplify_trace(u32* mem) {
}
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
/* Destructively classify execution counts in a trace. This is used as a
preprocessing step for any newly acquired traces. Called on every exec,
@ -339,7 +339,7 @@ void init_count_class16(void) {
}
#ifdef __x86_64__
#ifdef WORD_SIZE_64
void classify_counts(u64* mem) {
@ -391,7 +391,7 @@ void classify_counts(u32* mem) {
}
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
/* Compact trace bytes into a smaller bitmap. We effectively just drop the
count information here. This is called only sporadically, for some
@ -595,11 +595,11 @@ u8 save_if_interesting(char** argv, void* mem, u32 len, u8 fault) {
if (!dumb_mode) {
#ifdef __x86_64__
#ifdef WORD_SIZE_64
simplify_trace((u64*)trace_bits);
#else
simplify_trace((u32*)trace_bits);
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
if (!has_new_bits(virgin_tmout)) return keeping;
@ -658,11 +658,11 @@ u8 save_if_interesting(char** argv, void* mem, u32 len, u8 fault) {
if (!dumb_mode) {
#ifdef __x86_64__
#ifdef WORD_SIZE_64
simplify_trace((u64*)trace_bits);
#else
simplify_trace((u32*)trace_bits);
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
if (!has_new_bits(virgin_crash)) return keeping;

4
src/afl-fuzz-run.c
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@ -221,11 +221,11 @@ u8 run_target(char** argv, u32 timeout) {
tb4 = *(u32*)trace_bits;
#ifdef __x86_64__
#ifdef WORD_SIZE_64
classify_counts((u64*)trace_bits);
#else
classify_counts((u32*)trace_bits);
#endif /* ^__x86_64__ */
#endif /* ^WORD_SIZE_64 */
prev_timed_out = child_timed_out;

6
src/afl-gcc.c
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@ -121,7 +121,7 @@ static void edit_params(u32 argc, char** argv) {
u8 fortify_set = 0, asan_set = 0;
u8* name;
#if defined(__FreeBSD__) && defined(__x86_64__)
#if defined(__FreeBSD__) && defined(WORD_SIZE_64)
u8 m32_set = 0;
#endif
@ -228,7 +228,7 @@ static void edit_params(u32 argc, char** argv) {
if (!strcmp(cur, "-pipe")) continue;
#if defined(__FreeBSD__) && defined(__x86_64__)
#if defined(__FreeBSD__) && defined(WORD_SIZE_64)
if (!strcmp(cur, "-m32")) m32_set = 1;
#endif
@ -288,7 +288,7 @@ static void edit_params(u32 argc, char** argv) {
if (!getenv("AFL_DONT_OPTIMIZE")) {
#if defined(__FreeBSD__) && defined(__x86_64__)
#if defined(__FreeBSD__) && defined(WORD_SIZE_64)
/* On 64-bit FreeBSD systems, clang -g -m32 is broken, but -m32 itself
works OK. This has nothing to do with us, but let's avoid triggering

2
src/afl-gotcpu.c
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@ -204,7 +204,7 @@ int main(int argc, char** argv) {
#if defined(__linux__)
if (sched_setaffinity(0, sizeof(c), &c))
PFATAL("sched_setaffinity failed");
PFATAL("sched_setaffinity failed for cpu %d", i);
#endif
util_perc = measure_preemption(CTEST_CORE_TRG_MS);