diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/afl-common.c | 4 | ||||
| -rw-r--r-- | src/afl-fuzz-run.c | 2 | ||||
| -rw-r--r-- | src/afl-fuzz.c | 7 |
3 files changed, 9 insertions, 4 deletions
diff --git a/src/afl-common.c b/src/afl-common.c index e01bde3c..dabeeedd 100644 --- a/src/afl-common.c +++ b/src/afl-common.c @@ -467,8 +467,8 @@ void read_bitmap(u8 *fname, u8 *map, size_t len) { u64 get_cur_time(void) { - struct timeval tv; - struct timezone tz; + static struct timeval tv; + static struct timezone tz; gettimeofday(&tv, &tz); diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c index 7180d255..0aef1c9e 100644 --- a/src/afl-fuzz-run.c +++ b/src/afl-fuzz-run.c @@ -885,7 +885,7 @@ u8 common_fuzz_stuff(afl_state_t *afl, u8 *out_buf, u32 len) { u32 i, taint = 0; for (i = 0; i < new_len; i++) { - if (i > afl->taint_len || afl->taint_map[i] || i > afl->queue_cur->len) + if (i >= afl->taint_len || i >= afl->queue_cur->len || afl->taint_map[i]) new_buf[i] = out_buf[taint++]; else new_buf[i] = afl->taint_src[i]; diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c index 5cdd0292..783da6e0 100644 --- a/src/afl-fuzz.c +++ b/src/afl-fuzz.c @@ -1305,6 +1305,12 @@ int main(int argc, char **argv_orig, char **envp) { OKF("Taint forkserver successfully started"); + const rlim_t kStackSize = 64L * 1024L * 1024L; // min stack size = 64 Mb + struct rlimit rl; + rl.rlim_cur = kStackSize; + if (getrlimit(RLIMIT_STACK, &rl) != 0) + WARNF("Setting a higher stack size failed!"); + #define BUF_PARAMS(name) (void **)&afl->name##_buf, &afl->name##_size u8 *tmp1 = ck_maybe_grow(BUF_PARAMS(eff), MAX_FILE + 4096); u8 *tmp2 = ck_maybe_grow(BUF_PARAMS(ex), MAX_FILE + 4096); @@ -1312,7 +1318,6 @@ int main(int argc, char **argv_orig, char **envp) { u8 *tmp4 = ck_maybe_grow(BUF_PARAMS(out), MAX_FILE + 4096); u8 *tmp5 = ck_maybe_grow(BUF_PARAMS(out_scratch), MAX_FILE + 4096); #undef BUF_PARAMS - if (!tmp1 || !tmp2 || !tmp3 || !tmp4 || !tmp5) FATAL("memory issues. me hungry, feed me!"); |