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error handling for custom mutators

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This commit is contained in:
Dominik Maier
2020-03-28 12:58:56 +01:00
parent cda56ca129
commit 81873d97f8
6 changed files with 54 additions and 36 deletions
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3
src/afl-fuzz-mutators.c
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@ -213,7 +213,7 @@ u8 trim_case_custom(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) {
afl->stage_cur = 0;
afl->stage_max =
afl->mutator->afl_custom_init_trim(afl->mutator->data, in_buf, q->len);
if (unlikely(afl->stage_max) < 0) FATAL("custom_init_trim error ret: %d", afl->stage_max);
if (afl->not_on_tty && afl->debug)
SAYF("[Custom Trimming] START: Max %d iterations, %u bytes", afl->stage_max,
q->len);
@ -273,6 +273,7 @@ u8 trim_case_custom(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) {
/* Tell the custom mutator that the trimming was unsuccessful */
afl->stage_cur =
afl->mutator->afl_custom_post_trim(afl->mutator->data, 0);
if (unlikely(afl->stage_cur < 0)) FATAL("Error ret in custom_post_trim: %d", afl->stage_cur);
if (afl->not_on_tty && afl->debug)
SAYF("[Custom Trimming] FAILURE: %d/%d iterations", afl->stage_cur,
afl->stage_max);