diff options
| author | Dustin Spicuzza <dustin@virtualroadside.com> | 2021-06-14 15:21:01 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-06-14 21:21:01 +0200 |
| commit | ef5fd33120ca2b5a0a8a3e282224e67ac93f44a2 (patch) | |
| tree | 6f3766f53eb0a36eb7297e2b6fab96ed37921f1d | |
| parent | 74fcb365e99ce86e405e52b586baa9d0f825f70c (diff) | |
| download | afl++-ef5fd33120ca2b5a0a8a3e282224e67ac93f44a2.tar.gz | |
Add debug output to alert user to calibration progress/issues (#969)
| -rw-r--r-- | src/afl-fuzz-run.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c index 758bad25..fb0b5ead 100644 --- a/src/afl-fuzz-run.c +++ b/src/afl-fuzz-run.c @@ -355,6 +355,8 @@ u8 calibrate_case(afl_state_t *afl, struct queue_entry *q, u8 *use_mem, for (afl->stage_cur = 0; afl->stage_cur < afl->stage_max; ++afl->stage_cur) { + if (unlikely(afl->debug)) { DEBUGF("calibration stage %d/%d\n", afl->stage_cur+1, afl->stage_max); } + u64 cksum; write_to_testcase(afl, use_mem, q->len); @@ -402,6 +404,15 @@ u8 calibrate_case(afl_state_t *afl, struct queue_entry *q, u8 *use_mem, } + if (unlikely(!var_detected)) { + // note: from_queue seems to only be set during initialization + if (afl->afl_env.afl_no_ui || from_queue) { + WARNF("instability detected during calibration\n"); + } else if (afl->debug) { + DEBUGF("instability detected during calibration\n"); + } + } + var_detected = 1; afl->stage_max = afl->afl_env.afl_cal_fast ? CAL_CYCLES : CAL_CYCLES_LONG; |