clang-tidy readability-braces (#323)

This commit is contained in:
Dominik Maier
2020-04-19 16:42:40 +02:00
committed by GitHub
parent baec99079f
commit 8197e9b2e4
35 changed files with 2925 additions and 1281 deletions

View File

@ -73,11 +73,16 @@ static struct range *pop_biggest_range(struct range **ranges) {
if (rmax) {
if (prev_rmax)
if (prev_rmax) {
prev_rmax->next = rmax->next;
else
} else {
*ranges = rmax->next;
}
}
return rmax;
@ -86,7 +91,7 @@ static struct range *pop_biggest_range(struct range **ranges) {
static u8 get_exec_checksum(afl_state_t *afl, u8 *buf, u32 len, u32 *cksum) {
if (unlikely(common_fuzz_stuff(afl, buf, len))) return 1;
if (unlikely(common_fuzz_stuff(afl, buf, len))) { return 1; }
*cksum = hash32(afl->fsrv.trace_bits, afl->fsrv.map_size, HASH_CONST);
return 0;
@ -96,9 +101,12 @@ static u8 get_exec_checksum(afl_state_t *afl, u8 *buf, u32 len, u32 *cksum) {
static void rand_replace(afl_state_t *afl, u8 *buf, u32 len) {
u32 i;
for (i = 0; i < len; ++i)
for (i = 0; i < len; ++i) {
buf[i] = rand_below(afl, 256);
}
}
static u8 colorization(afl_state_t *afl, u8 *buf, u32 len, u32 exec_cksum) {
@ -131,9 +139,12 @@ static u8 colorization(afl_state_t *afl, u8 *buf, u32 len, u32 exec_cksum) {
u32 cksum;
u64 start_us = get_cur_time_us();
if (unlikely(get_exec_checksum(afl, buf, len, &cksum)))
if (unlikely(get_exec_checksum(afl, buf, len, &cksum))) {
goto checksum_fail;
}
u64 stop_us = get_cur_time_us();
/* Discard if the mutations change the paths or if it is too decremental
@ -159,7 +170,7 @@ static u8 colorization(afl_state_t *afl, u8 *buf, u32 len, u32 exec_cksum) {
}
if (afl->stage_cur < afl->stage_max) afl->queue_cur->fully_colorized = 1;
if (afl->stage_cur < afl->stage_max) { afl->queue_cur->fully_colorized = 1; }
new_hit_cnt = afl->queued_paths + afl->unique_crashes;
afl->stage_finds[STAGE_COLORIZATION] += new_hit_cnt - orig_hit_cnt;
@ -192,7 +203,7 @@ static u8 colorization(afl_state_t *afl, u8 *buf, u32 len, u32 exec_cksum) {
}
if (fd < 0) PFATAL("Unable to create '%s'", afl->queue_cur->fname);
if (fd < 0) { PFATAL("Unable to create '%s'", afl->queue_cur->fname); }
ck_write(fd, buf, len, afl->queue_cur->fname);
afl->queue_cur->len = len; // no-op, just to be 100% safe
@ -204,7 +215,7 @@ static u8 colorization(afl_state_t *afl, u8 *buf, u32 len, u32 exec_cksum) {
return 0;
checksum_fail:
if (rng) ck_free(rng);
if (rng) { ck_free(rng); }
ck_free(backup);
while (ranges) {
@ -230,15 +241,20 @@ static u8 its_fuzz(afl_state_t *afl, u8 *buf, u32 len, u8 *status) {
orig_hit_cnt = afl->queued_paths + afl->unique_crashes;
if (unlikely(common_fuzz_stuff(afl, buf, len))) return 1;
if (unlikely(common_fuzz_stuff(afl, buf, len))) { return 1; }
new_hit_cnt = afl->queued_paths + afl->unique_crashes;
if (unlikely(new_hit_cnt != orig_hit_cnt))
if (unlikely(new_hit_cnt != orig_hit_cnt)) {
*status = 1;
else
} else {
*status = 2;
}
return 0;
}
@ -265,18 +281,24 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
if (its_len >= 8 && *buf_64 == pattern && *o_buf_64 == o_pattern) {
*buf_64 = repl;
if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
if (unlikely(its_fuzz(afl, buf, len, status))) { return 1; }
*buf_64 = pattern;
}
// reverse encoding
if (do_reverse)
if (do_reverse) {
if (unlikely(cmp_extend_encoding(afl, h, SWAP64(pattern), SWAP64(repl),
SWAP64(o_pattern), idx, orig_buf, buf,
len, 0, status)))
len, 0, status))) {
return 1;
}
}
}
if (SHAPE_BYTES(h->shape) == 4 || *status == 2) {
@ -285,18 +307,24 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
*o_buf_32 == (u32)o_pattern) {
*buf_32 = (u32)repl;
if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
if (unlikely(its_fuzz(afl, buf, len, status))) { return 1; }
*buf_32 = pattern;
}
// reverse encoding
if (do_reverse)
if (do_reverse) {
if (unlikely(cmp_extend_encoding(afl, h, SWAP32(pattern), SWAP32(repl),
SWAP32(o_pattern), idx, orig_buf, buf,
len, 0, status)))
len, 0, status))) {
return 1;
}
}
}
if (SHAPE_BYTES(h->shape) == 2 || *status == 2) {
@ -305,18 +333,24 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
*o_buf_16 == (u16)o_pattern) {
*buf_16 = (u16)repl;
if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
if (unlikely(its_fuzz(afl, buf, len, status))) { return 1; }
*buf_16 = (u16)pattern;
}
// reverse encoding
if (do_reverse)
if (do_reverse) {
if (unlikely(cmp_extend_encoding(afl, h, SWAP16(pattern), SWAP16(repl),
SWAP16(o_pattern), idx, orig_buf, buf,
len, 0, status)))
len, 0, status))) {
return 1;
}
}
}
if (SHAPE_BYTES(h->shape) == 1 || *status == 2) {
@ -324,7 +358,7 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
if (its_len >= 1 && *buf_8 == (u8)pattern && *o_buf_8 == (u8)o_pattern) {
*buf_8 = (u8)repl;
if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
if (unlikely(its_fuzz(afl, buf, len, status))) { return 1; }
*buf_8 = (u8)pattern;
}
@ -343,14 +377,21 @@ static void try_to_add_to_dict(afl_state_t *afl, u64 v, u8 shape) {
u8 cons_ff = 0, cons_0 = 0;
for (k = 0; k < shape; ++k) {
if (b[k] == 0)
if (b[k] == 0) {
++cons_0;
else if (b[k] == 0xff)
} else if (b[k] == 0xff) {
++cons_0;
else
} else {
cons_0 = cons_ff = 0;
if (cons_0 > 1 || cons_ff > 1) return;
}
if (cons_0 > 1 || cons_ff > 1) { return; }
}
@ -359,7 +400,8 @@ static void try_to_add_to_dict(afl_state_t *afl, u64 v, u8 shape) {
u64 rev;
switch (shape) {
case 1: break;
case 1:
break;
case 2:
rev = SWAP16((u16)v);
maybe_add_auto((u8 *)afl, (u8 *)&rev, shape);
@ -383,7 +425,7 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
u32 i, j, idx;
u32 loggeds = h->hits;
if (h->hits > CMP_MAP_H) loggeds = CMP_MAP_H;
if (h->hits > CMP_MAP_H) { loggeds = CMP_MAP_H; }
u8 status = 0;
// opt not in the paper
@ -410,12 +452,12 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
} else {
if (s_v0 != o->v0) s_v0_fixed = 0;
if (s_v1 != o->v1) s_v1_fixed = 0;
if (s_v0 + 1 != o->v0) s_v0_inc = 0;
if (s_v1 + 1 != o->v1) s_v1_inc = 0;
if (s_v0 - 1 != o->v0) s_v0_dec = 0;
if (s_v1 - 1 != o->v1) s_v1_dec = 0;
if (s_v0 != o->v0) { s_v0_fixed = 0; }
if (s_v1 != o->v1) { s_v1_fixed = 0; }
if (s_v0 + 1 != o->v0) { s_v0_inc = 0; }
if (s_v1 + 1 != o->v1) { s_v1_inc = 0; }
if (s_v0 - 1 != o->v0) { s_v0_dec = 0; }
if (s_v1 - 1 != o->v1) { s_v1_dec = 0; }
s_v0 = o->v0;
s_v1 = o->v1;
@ -424,32 +466,56 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
struct cmp_operands *orig_o = &afl->orig_cmp_map->log[key][i];
// opt not in the paper
for (j = 0; j < i; ++j)
for (j = 0; j < i; ++j) {
if (afl->shm.cmp_map->log[key][j].v0 == o->v0 &&
afl->shm.cmp_map->log[key][i].v1 == o->v1)
afl->shm.cmp_map->log[key][i].v1 == o->v1) {
goto cmp_fuzz_next_iter;
}
}
for (idx = 0; idx < len && fails < 8; ++idx) {
if (unlikely(cmp_extend_encoding(afl, h, o->v0, o->v1, orig_o->v0, idx,
orig_buf, buf, len, 1, &status)))
orig_buf, buf, len, 1, &status))) {
return 1;
if (status == 2)
}
if (status == 2) {
++fails;
else if (status == 1)
} else if (status == 1) {
break;
}
if (unlikely(cmp_extend_encoding(afl, h, o->v1, o->v0, orig_o->v1, idx,
orig_buf, buf, len, 1, &status)))
orig_buf, buf, len, 1, &status))) {
return 1;
if (status == 2)
}
if (status == 2) {
++fails;
else if (status == 1)
} else if (status == 1) {
break;
}
}
if (status == 1) found_one = 1;
if (status == 1) { found_one = 1; }
// If failed, add to dictionary
if (fails == 8) {
@ -481,7 +547,7 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
}
if (afl->pass_stats[key].total < 0xff) afl->pass_stats[key].total++;
if (afl->pass_stats[key].total < 0xff) { afl->pass_stats[key].total++; }
return 0;
@ -502,11 +568,14 @@ static u8 rtn_extend_encoding(afl_state_t *afl, struct cmp_header *h,
for (i = 0; i < its_len; ++i) {
if (pattern[idx + i] != buf[idx + i] ||
o_pattern[idx + i] != orig_buf[idx + i] || *status == 1)
o_pattern[idx + i] != orig_buf[idx + i] || *status == 1) {
break;
}
buf[idx + i] = repl[idx + i];
if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
if (unlikely(its_fuzz(afl, buf, len, status))) { return 1; }
}
@ -521,7 +590,7 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
u32 i, j, idx;
u32 loggeds = h->hits;
if (h->hits > CMP_MAP_RTN_H) loggeds = CMP_MAP_RTN_H;
if (h->hits > CMP_MAP_RTN_H) { loggeds = CMP_MAP_RTN_H; }
u8 status = 0;
// opt not in the paper
@ -539,32 +608,56 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
&((struct cmpfn_operands *)afl->orig_cmp_map->log[key])[i];
// opt not in the paper
for (j = 0; j < i; ++j)
for (j = 0; j < i; ++j) {
if (!memcmp(&((struct cmpfn_operands *)afl->shm.cmp_map->log[key])[j], o,
sizeof(struct cmpfn_operands)))
sizeof(struct cmpfn_operands))) {
goto rtn_fuzz_next_iter;
}
}
for (idx = 0; idx < len && fails < 8; ++idx) {
if (unlikely(rtn_extend_encoding(afl, h, o->v0, o->v1, orig_o->v0, idx,
orig_buf, buf, len, &status)))
orig_buf, buf, len, &status))) {
return 1;
if (status == 2)
}
if (status == 2) {
++fails;
else if (status == 1)
} else if (status == 1) {
break;
}
if (unlikely(rtn_extend_encoding(afl, h, o->v1, o->v0, orig_o->v1, idx,
orig_buf, buf, len, &status)))
orig_buf, buf, len, &status))) {
return 1;
if (status == 2)
}
if (status == 2) {
++fails;
else if (status == 1)
} else if (status == 1) {
break;
}
}
if (status == 1) found_one = 1;
if (status == 1) { found_one = 1; }
// If failed, add to dictionary
if (fails == 8) {
@ -589,7 +682,7 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
}
if (afl->pass_stats[key].total < 0xff) afl->pass_stats[key].total++;
if (afl->pass_stats[key].total < 0xff) { afl->pass_stats[key].total++; }
return 0;
@ -602,25 +695,31 @@ u8 input_to_state_stage(afl_state_t *afl, u8 *orig_buf, u8 *buf, u32 len,
u32 exec_cksum) {
u8 r = 1;
if (afl->orig_cmp_map == NULL)
if (afl->orig_cmp_map == NULL) {
afl->orig_cmp_map = ck_alloc_nozero(sizeof(struct cmp_map));
if (afl->pass_stats == NULL)
}
if (afl->pass_stats == NULL) {
afl->pass_stats = ck_alloc(sizeof(struct afl_pass_stat) * CMP_MAP_W);
}
// do it manually, forkserver clear only afl->fsrv.trace_bits
memset(afl->shm.cmp_map->headers, 0, sizeof(afl->shm.cmp_map->headers));
if (unlikely(common_fuzz_cmplog_stuff(afl, buf, len))) return 1;
if (unlikely(common_fuzz_cmplog_stuff(afl, buf, len))) { return 1; }
memcpy(afl->orig_cmp_map, afl->shm.cmp_map, sizeof(struct cmp_map));
if (unlikely(colorization(afl, buf, len, exec_cksum))) return 1;
if (unlikely(colorization(afl, buf, len, exec_cksum))) { return 1; }
// do it manually, forkserver clear only afl->fsrv.trace_bits
memset(afl->shm.cmp_map->headers, 0, sizeof(afl->shm.cmp_map->headers));
if (unlikely(common_fuzz_cmplog_stuff(afl, buf, len))) return 1;
if (unlikely(common_fuzz_cmplog_stuff(afl, buf, len))) { return 1; }
u64 orig_hit_cnt, new_hit_cnt;
u64 orig_execs = afl->fsrv.total_execs;
@ -634,33 +733,41 @@ u8 input_to_state_stage(afl_state_t *afl, u8 *orig_buf, u8 *buf, u32 len,
u32 k;
for (k = 0; k < CMP_MAP_W; ++k) {
if (!afl->shm.cmp_map->headers[k].hits) continue;
if (!afl->shm.cmp_map->headers[k].hits) { continue; }
if (afl->pass_stats[k].total &&
(rand_below(afl, afl->pass_stats[k].total) >=
afl->pass_stats[k].faileds ||
afl->pass_stats[k].total == 0xff))
afl->pass_stats[k].total == 0xff)) {
afl->shm.cmp_map->headers[k].hits = 0; // blacklist this cmp
if (afl->shm.cmp_map->headers[k].type == CMP_TYPE_INS)
}
if (afl->shm.cmp_map->headers[k].type == CMP_TYPE_INS) {
afl->stage_max += MIN((u32)afl->shm.cmp_map->headers[k].hits, CMP_MAP_H);
else
} else {
afl->stage_max +=
MIN((u32)afl->shm.cmp_map->headers[k].hits, CMP_MAP_RTN_H);
}
}
for (k = 0; k < CMP_MAP_W; ++k) {
if (!afl->shm.cmp_map->headers[k].hits) continue;
if (!afl->shm.cmp_map->headers[k].hits) { continue; }
if (afl->shm.cmp_map->headers[k].type == CMP_TYPE_INS) {
if (unlikely(cmp_fuzz(afl, k, orig_buf, buf, len))) goto exit_its;
if (unlikely(cmp_fuzz(afl, k, orig_buf, buf, len))) { goto exit_its; }
} else {
if (unlikely(rtn_fuzz(afl, k, orig_buf, buf, len))) goto exit_its;
if (unlikely(rtn_fuzz(afl, k, orig_buf, buf, len))) { goto exit_its; }
}