ExternalVendorCode/AFLplusplus
1
0
Fork 0
mirror of https://github.com/AFLplusplus/AFLplusplus.git synced 2025-06-17 12:18:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

reduce skipdet_e memory usage

Browse Source 
By using bitmaps, the memory requirement for
`q->skipdet_e->skip_eff_map` and `done_inf_map`, which previously scaled
with the corpus size, is reduced to one-eighth of its original size.
This commit is contained in:
Kuang-che Wu
2025-04-05 01:49:27 +00:00
parent 56b5983b61
commit ec07f531f8
4 changed files with 38 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/afl-fuzz-one.c
View File

@ -634,7 +634,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
afl->stage_cur_byte = afl->stage_cur >> 3;
if (!skip_eff_map[afl->stage_cur_byte]) continue;
if (!bitmap_read(skip_eff_map, afl->stage_cur_byte)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -754,7 +754,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
afl->stage_cur_byte = afl->stage_cur >> 3;
if (!skip_eff_map[afl->stage_cur_byte]) continue;
if (!bitmap_read(skip_eff_map, afl->stage_cur_byte)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -793,7 +793,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
afl->stage_cur_byte = afl->stage_cur >> 3;
if (!skip_eff_map[afl->stage_cur_byte]) continue;
if (!bitmap_read(skip_eff_map, afl->stage_cur_byte)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -837,7 +837,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
afl->stage_cur_byte = afl->stage_cur;
if (!skip_eff_map[afl->stage_cur_byte]) continue;
if (!bitmap_read(skip_eff_map, afl->stage_cur_byte)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -858,7 +858,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
for (i = 0; i < len; i++) {
if (skip_eff_map[i]) afl->blocks_eff_select += 1;
if (bitmap_read(skip_eff_map, i)) afl->blocks_eff_select += 1;
}
@ -887,7 +887,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -930,7 +930,7 @@ u8 fuzz_one_original(afl_state_t *afl) {
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -983,7 +983,7 @@ skip_bitflip:
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1067,7 +1067,7 @@ skip_bitflip:
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1197,7 +1197,7 @@ skip_bitflip:
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1331,7 +1331,7 @@ skip_arith:
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1391,7 +1391,7 @@ skip_arith:
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1479,7 +1479,7 @@ skip_arith:
/* Let's consult the effector map... */
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1573,7 +1573,7 @@ skip_interest:
u32 last_len = 0;
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1642,7 +1642,7 @@ skip_interest:
for (i = 0; i <= (u32)len; ++i) {
if (!skip_eff_map[i % len]) continue;
if (!bitmap_read(skip_eff_map, i % len)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1708,7 +1708,7 @@ skip_user_extras:
u32 last_len = 0;
if (!skip_eff_map[i]) continue;
if (!bitmap_read(skip_eff_map, i)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }
@ -1768,7 +1768,7 @@ skip_user_extras:
for (i = 0; i <= (u32)len; ++i) {
if (!skip_eff_map[i % len]) continue;
if (!bitmap_read(skip_eff_map, i % len)) continue;
if (is_det_timeout(before_det_time, 0)) { goto custom_mutator_stage; }