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50% less globals

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This commit is contained in:
Dominik Maier
2020-03-19 19:22:57 +01:00
parent fd9587d26e
commit 51a346bcbe
16 changed files with 144 additions and 129 deletions
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11
src/afl-fuzz-mutators.c
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@ -192,14 +192,11 @@ void load_custom_mutator(afl_state_t *afl, const char *fn) {
u8 trim_case_custom(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) {
static u8 tmp[64];
static u8 clean_trace[MAP_SIZE];
u8 needs_write = 0, fault = 0;
u32 trim_exec = 0;
u32 orig_len = q->len;
afl->stage_name = tmp;
if (afl->stage_name != afl->stage_name_buf) afl->stage_name = afl->stage_name_buf;
afl->bytes_trim_in += q->len;
/* Initialize trimming in the custom mutator */
@ -212,7 +209,7 @@ u8 trim_case_custom(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) {
while (afl->stage_cur < afl->stage_max) {
sprintf(tmp, "ptrim %s", DI(trim_exec));
snprintf(afl->stage_name_buf, STAGE_BUF_SIZE, "ptrim %s", DI(trim_exec));
u32 cksum;
@ -251,7 +248,7 @@ u8 trim_case_custom(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) {
if (!needs_write) {
needs_write = 1;
memcpy(clean_trace, afl->fsrv.trace_bits, MAP_SIZE);
memcpy(afl->clean_trace_custom, afl->fsrv.trace_bits, MAP_SIZE);
}
@ -299,7 +296,7 @@ u8 trim_case_custom(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) {
ck_write(fd, in_buf, q->len, q->fname);
close(fd);
memcpy(afl->fsrv.trace_bits, clean_trace, MAP_SIZE);
memcpy(afl->fsrv.trace_bits, afl->clean_trace_custom, MAP_SIZE);
update_bitmap_score(afl, q);
}