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create .synced/NAMES.last to document last sync attempts

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This commit is contained in:
van Hauser
2020-06-24 11:09:33 +02:00
parent 9289af040c
commit bdc8e3b79e
2 changed files with 10 additions and 5 deletions
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11
src/afl-fuzz-run.c
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@ -466,6 +466,12 @@ void sync_fuzzers(afl_state_t *afl) {
synced++;
/* document the attempt to sync to this instance */
sprintf(qd_synced_path, "%s/.synced/%s.last", afl->out_dir, sd_ent->d_name);
id_fd = open(qd_synced_path, O_RDWR | O_CREAT | O_TRUNC, 0600);
if (id_fd >= 0) close(id_fd);
/* Skip anything that doesn't have a queue/ subdirectory. */
sprintf(qd_path, "%s/%s/queue", afl->sync_dir, sd_ent->d_name);
@ -490,14 +496,13 @@ void sync_fuzzers(afl_state_t *afl) {
if (id_fd < 0) { PFATAL("Unable to create '%s'", qd_synced_path); }
if (read(id_fd, &min_accept, sizeof(u32)) > 0) {
if (read(id_fd, &min_accept, sizeof(u32)) == sizeof(u32)) {
next_min_accept = min_accept;
lseek(id_fd, 0, SEEK_SET);
}
next_min_accept = min_accept;
/* Show stats */
snprintf(afl->stage_name_buf, STAGE_BUF_SIZE, "sync %u", ++sync_cnt);