code format

1 files changed, 84 insertions, 54 deletions

diff --git a/src/afl-fuzz-redqueen.c b/src/afl-fuzz-redqueen.c
index c8d5565f..0a97e3ee 100644
--- a/src/afl-fuzz-redqueen.c
+++ b/src/afl-fuzz-redqueen.c
@@ -234,15 +234,18 @@ static u8 its_fuzz(afl_state_t *afl, u8 *buf, u32 len, u8 *status) {
 
 }
 
-static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, u64 pattern, u64 repl, u64 o_pattern, u32 idx, u8 *orig_buf, u8 *buf, u32 len, u8 do_reverse, u8 *status) {
+static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
+                              u64 pattern, u64 repl, u64 o_pattern, u32 idx,
+                              u8 *orig_buf, u8 *buf, u32 len, u8 do_reverse,
+                              u8 *status) {
 
   u64 *buf_64 = (u64 *)&buf[idx];
   u32 *buf_32 = (u32 *)&buf[idx];
   u16 *buf_16 = (u16 *)&buf[idx];
   // u8*  buf_8  = &buf[idx];
-  u64* o_buf_64 = (u64*)&orig_buf[idx];
-  u32* o_buf_32 = (u32*)&orig_buf[idx];
-  u16* o_buf_16 = (u16*)&orig_buf[idx];
+  u64 *o_buf_64 = (u64 *)&orig_buf[idx];
+  u32 *o_buf_32 = (u32 *)&orig_buf[idx];
+  u16 *o_buf_16 = (u16 *)&orig_buf[idx];
   // u8*  o_buf_8  = &orig_buf[idx];
 
   u32 its_len = len - idx;
@@ -260,15 +263,17 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, u64 patter
 
     // reverse encoding
     if (do_reverse)
-      if (unlikely(cmp_extend_encoding(afl, h, SWAP64(pattern), SWAP64(repl), SWAP64(o_pattern), idx, orig_buf, buf, len, 0, status)))
+      if (unlikely(cmp_extend_encoding(afl, h, SWAP64(pattern), SWAP64(repl),
+                                       SWAP64(o_pattern), idx, orig_buf, buf,
+                                       len, 0, status)))
         return 1;
 
   }
 
   if (SHAPE_BYTES(h->shape) == 4 || *status == 2) {
 
-    if (its_len >= 4 &&
-        *buf_32 == (u32)pattern && *o_buf_32 == (u32)o_pattern) {
+    if (its_len >= 4 && *buf_32 == (u32)pattern &&
+        *o_buf_32 == (u32)o_pattern) {
 
       *buf_32 = (u32)repl;
       if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
@@ -278,15 +283,17 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, u64 patter
 
     // reverse encoding
     if (do_reverse)
-      if (unlikely(cmp_extend_encoding(afl, h, SWAP32(pattern), SWAP32(repl), SWAP32(o_pattern), idx, orig_buf, buf, len, 0, status)))
+      if (unlikely(cmp_extend_encoding(afl, h, SWAP32(pattern), SWAP32(repl),
+                                       SWAP32(o_pattern), idx, orig_buf, buf,
+                                       len, 0, status)))
         return 1;
 
   }
 
   if (SHAPE_BYTES(h->shape) == 2 || *status == 2) {
 
-    if (its_len >= 2 &&
-        *buf_16 == (u16)pattern && *o_buf_16 == (u16)o_pattern) {
+    if (its_len >= 2 && *buf_16 == (u16)pattern &&
+        *o_buf_16 == (u16)o_pattern) {
 
       *buf_16 = (u16)repl;
       if (unlikely(its_fuzz(afl, buf, len, status))) return 1;
@@ -296,7 +303,9 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, u64 patter
 
     // reverse encoding
     if (do_reverse)
-      if (unlikely(cmp_extend_encoding(afl, h, SWAP16(pattern), SWAP16(repl), SWAP16(o_pattern), idx, orig_buf, buf, len, 0, status)))
+      if (unlikely(cmp_extend_encoding(afl, h, SWAP16(pattern), SWAP16(repl),
+                                       SWAP16(o_pattern), idx, orig_buf, buf,
+                                       len, 0, status)))
         return 1;
 
   }
@@ -371,35 +380,39 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
   u8 status;
   // opt not in the paper
   u32 fails;
-  u8 found_one = 0;
-  
+  u8  found_one = 0;
+
   /* loop cmps are useless, detect and blacklist them */
   u64 s_v0, s_v1;
-  u8 s_v0_fixed = 1, s_v1_fixed = 1;
-  u8 s_v0_inc = 1, s_v1_inc = 1;
-  u8 s_v0_dec = 1, s_v1_dec = 1;
+  u8  s_v0_fixed = 1, s_v1_fixed = 1;
+  u8  s_v0_inc = 1, s_v1_inc = 1;
+  u8  s_v0_dec = 1, s_v1_dec = 1;
 
   for (i = 0; i < loggeds; ++i) {
-  
+
     fails = 0;
 
     struct cmp_operands *o = &afl->shm.cmp_map->log[key][i];
-    
+
     // loop detection code
     if (i == 0) {
+
       s_v0 = o->v0;
       s_v1 = o->v1;
+
     } 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 + 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;
+
     }
-    
+
     struct cmp_operands *orig_o = &afl->orig_cmp_map->log[key][i];
 
     // opt not in the paper
@@ -410,14 +423,16 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
 
     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)))
+      if (unlikely(cmp_extend_encoding(afl, h, o->v0, o->v1, orig_o->v0, idx,
+                                       orig_buf, buf, len, 1, &status)))
         return 1;
       if (status == 2)
         ++fails;
       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)))
+      if (unlikely(cmp_extend_encoding(afl, h, o->v1, o->v0, orig_o->v1, idx,
+                                       orig_buf, buf, len, 1, &status)))
         return 1;
       if (status == 2)
         ++fails;
@@ -425,16 +440,17 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
         break;
 
     }
-    
-    if (status == 1)
-      found_one = 1;
+
+    if (status == 1) found_one = 1;
 
     // If failed, add to dictionary
     if (fails == 8) {
 
       if (afl->pass_stats[key].total == 0) {
+
         try_to_add_to_dict(afl, o->v0, SHAPE_BYTES(h->shape));
         try_to_add_to_dict(afl, o->v1, SHAPE_BYTES(h->shape));
+
       }
 
     }
@@ -443,22 +459,29 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
     afl->stage_cur++;
 
   }
-  
+
   if (loggeds > 3 && ((s_v0_fixed && s_v1_inc) || (s_v1_fixed && s_v0_inc) ||
                       (s_v0_fixed && s_v1_dec) || (s_v1_fixed && s_v0_dec))) {
+
     afl->pass_stats[key].total = afl->pass_stats[key].faileds = 0xff;
+
   }
-  
+
   if (!found_one && afl->pass_stats[key].faileds < 0xff) {
+
     afl->pass_stats[key].faileds++;
+
   }
+
   if (afl->pass_stats[key].total < 0xff) afl->pass_stats[key].total++;
 
   return 0;
 
 }
 
-static u8 rtn_extend_encoding(afl_state_t *afl, struct cmp_header *h, u8 *pattern, u8 *repl, u8* o_pattern, u32 idx, u8 *orig_buf, u8 *buf, u32 len, u8 *status) {
+static u8 rtn_extend_encoding(afl_state_t *afl, struct cmp_header *h,
+                              u8 *pattern, u8 *repl, u8 *o_pattern, u32 idx,
+                              u8 *orig_buf, u8 *buf, u32 len, u8 *status) {
 
   u32 i;
   u32 its_len = MIN(32, len - idx);
@@ -470,7 +493,9 @@ static u8 rtn_extend_encoding(afl_state_t *afl, struct cmp_header *h, u8 *patter
 
   for (i = 0; i < its_len; ++i) {
 
-    if (pattern[idx + i] != buf[idx + i] || o_pattern[idx + i] != orig_buf[idx + i] || *status == 1) break;
+    if (pattern[idx + i] != buf[idx + i] ||
+        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;
@@ -493,15 +518,15 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
   u8 status = 0;
   // opt not in the paper
   u32 fails = 0;
-  u8 found_one = 0;
+  u8  found_one = 0;
 
   for (i = 0; i < loggeds; ++i) {
-  
+
     fails = 0;
 
     struct cmpfn_operands *o =
         &((struct cmpfn_operands *)afl->shm.cmp_map->log[key])[i];
-    
+
     struct cmpfn_operands *orig_o =
         &((struct cmpfn_operands *)afl->orig_cmp_map->log[key])[i];
 
@@ -513,14 +538,16 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
 
     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)))
+      if (unlikely(rtn_extend_encoding(afl, h, o->v0, o->v1, orig_o->v0, idx,
+                                       orig_buf, buf, len, &status)))
         return 1;
       if (status == 2)
         ++fails;
       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)))
+      if (unlikely(rtn_extend_encoding(afl, h, o->v1, o->v0, orig_o->v1, idx,
+                                       orig_buf, buf, len, &status)))
         return 1;
       if (status == 2)
         ++fails;
@@ -528,16 +555,17 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
         break;
 
     }
-    
-    if (status == 1)
-      found_one = 1;
+
+    if (status == 1) found_one = 1;
 
     // If failed, add to dictionary
     if (fails == 8) {
 
       if (afl->pass_stats[key].total == 0) {
+
         maybe_add_auto((u8 *)afl, o->v0, SHAPE_BYTES(h->shape));
         maybe_add_auto((u8 *)afl, o->v1, SHAPE_BYTES(h->shape));
+
       }
 
     }
@@ -546,10 +574,13 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u32 len) {
     afl->stage_cur++;
 
   }
-  
+
   if (!found_one && afl->pass_stats[key].faileds < 0xff) {
+
     afl->pass_stats[key].faileds++;
+
   }
+
   if (afl->pass_stats[key].total < 0xff) afl->pass_stats[key].total++;
 
   return 0;
@@ -565,13 +596,13 @@ u8 input_to_state_stage(afl_state_t *afl, u8 *orig_buf, u8 *buf, u32 len,
   u8 r = 1;
   if (afl->orig_cmp_map == NULL)
     afl->orig_cmp_map = ck_alloc_nozero(sizeof(struct cmp_map));
-  
+
   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;
 
   memcpy(afl->orig_cmp_map, afl->shm.cmp_map, sizeof(struct cmp_map));
@@ -596,12 +627,13 @@ u8 input_to_state_stage(afl_state_t *afl, u8 *orig_buf, u8 *buf, u32 len,
   for (k = 0; k < CMP_MAP_W; ++k) {
 
     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->shm.cmp_map->headers[k].hits = 0; // blacklist this cmp
-    
+        (rand_below(afl, afl->pass_stats[k].total) >=
+             afl->pass_stats[k].faileds ||
+         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)
       afl->stage_max += MIN((u32)afl->shm.cmp_map->headers[k].hits, CMP_MAP_H);
     else
@@ -616,13 +648,11 @@ u8 input_to_state_stage(afl_state_t *afl, u8 *orig_buf, u8 *buf, u32 len,
 
     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;
 
     }
 
@@ -634,7 +664,7 @@ exit_its:
   new_hit_cnt = afl->queued_paths + afl->unique_crashes;
   afl->stage_finds[STAGE_ITS] += new_hit_cnt - orig_hit_cnt;
   afl->stage_cycles[STAGE_ITS] += afl->total_execs - orig_execs;
-  
+
   memcpy(orig_buf, buf, len);
 
   return r;