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foreign sync from ctime to mtime (libfuzzer)

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van Hauser
2021-01-30 14:57:17 +01:00
parent 2f96f1e920
commit 3b3565269d
2 changed files with 8 additions and 8 deletions
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2
include/afl-fuzz.h
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@ -404,7 +404,7 @@ struct afl_pass_stat {
struct foreign_sync { struct foreign_sync {
u8 * dir; u8 * dir;
time_t ctime; time_t mtime;
}; };

14
src/afl-fuzz-init.c
View File

@ -468,7 +468,7 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
afl->foreign_syncs[iter].dir[0] != 0) { afl->foreign_syncs[iter].dir[0] != 0) {
if (first) ACTF("Scanning '%s'...", afl->foreign_syncs[iter].dir); if (first) ACTF("Scanning '%s'...", afl->foreign_syncs[iter].dir);
time_t ctime_max = 0; time_t mtime_max = 0;
u8 * name = strrchr(afl->foreign_syncs[iter].dir, '/'); u8 * name = strrchr(afl->foreign_syncs[iter].dir, '/');
if (!name) { name = afl->foreign_syncs[iter].dir; } if (!name) { name = afl->foreign_syncs[iter].dir; }
if (!strcmp(name, "queue") || !strcmp(name, "out") || if (!strcmp(name, "queue") || !strcmp(name, "out") ||
@ -482,8 +482,8 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
} }
/* We do not use sorting yet and do a more expensive ctime check instead. /* We do not use sorting yet and do a more expensive mtime check instead.
a ctimesort() implementation would be better though. */ a mtimesort() implementation would be better though. */
nl_cnt = scandir(afl->foreign_syncs[iter].dir, &nl, NULL, NULL); nl_cnt = scandir(afl->foreign_syncs[iter].dir, &nl, NULL, NULL);
@ -537,8 +537,8 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
} }
/* we detect new files by their ctime */ /* we detect new files by their mtime */
if (likely(st.st_ctime <= afl->foreign_syncs[iter].ctime)) { if (likely(st.st_mtime <= afl->foreign_syncs[iter].mtime)) {
ck_free(fn2); ck_free(fn2);
continue; continue;
@ -600,11 +600,11 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
munmap(mem, st.st_size); munmap(mem, st.st_size);
close(fd); close(fd);
if (st.st_ctime > ctime_max) ctime_max = st.st_ctime; if (st.st_mtime > mtime_max) mtime_max = st.st_mtime;
} }
afl->foreign_syncs[iter].ctime = ctime_max; afl->foreign_syncs[iter].mtime = mtime_max;
free(nl); /* not tracked */ free(nl); /* not tracked */
} }