diff options
Diffstat (limited to 'src/afl-tmin.c')
| -rw-r--r-- | src/afl-tmin.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/src/afl-tmin.c b/src/afl-tmin.c index 091e5177..8b028327 100644 --- a/src/afl-tmin.c +++ b/src/afl-tmin.c @@ -54,7 +54,9 @@ #include <sys/wait.h> #include <sys/time.h> -#include <sys/shm.h> +#ifndef USEMMAP + #include <sys/shm.h> +#endif #include <sys/stat.h> #include <sys/types.h> #include <sys/resource.h> @@ -67,12 +69,13 @@ static u8 *in_file, /* Minimizer input test case */ static u8 *in_data; /* Input data for trimming */ static u32 in_len, /* Input data length */ - orig_cksum, /* Original checksum */ missed_hangs, /* Misses due to hangs */ missed_crashes, /* Misses due to crashes */ missed_paths, /* Misses due to exec path diffs */ map_size = MAP_SIZE; +static u64 orig_cksum; /* Original checksum */ + static u8 crash_mode, /* Crash-centric mode? */ hang_mode, /* Minimize as long as it hangs */ exit_crash, /* Treat non-zero exit as crash? */ @@ -300,7 +303,7 @@ static u8 tmin_run_target(afl_forkserver_t *fsrv, char **argv, u8 *mem, u32 len, if (ret == FSRV_RUN_NOINST) { FATAL("Binary not instrumented?"); } - u32 cksum = hash32(fsrv->trace_bits, fsrv->map_size, HASH_CONST); + u64 cksum = hash64(fsrv->trace_bits, fsrv->map_size, HASH_CONST); if (first_run) { orig_cksum = cksum; } @@ -799,6 +802,17 @@ static void usage(u8 *argv0) { } +static sharedmem_t *deinit_shmem(afl_forkserver_t *fsrv, + sharedmem_t * shm_fuzz) { + + afl_shm_deinit(shm_fuzz); + fsrv->support_shmem_fuzz = 0; + fsrv->shmem_fuzz = NULL; + ck_free(shm_fuzz); + return NULL; + +} + /* Main entry point */ int main(int argc, char **argv_orig, char **envp) { @@ -1049,11 +1063,28 @@ int main(int argc, char **argv_orig, char **envp) { SAYF("\n"); + sharedmem_t *shm_fuzz = ck_alloc(sizeof(sharedmem_t)); + u8 * map = afl_shm_init(shm_fuzz, MAX_FILE + sizeof(u32), 1); + if (!map) { FATAL("BUG: Zero return from afl_shm_init."); } +#ifdef USEMMAP + setenv(SHM_FUZZ_ENV_VAR, shm_fuzz->g_shm_file_path, 1); +#else + u8 *shm_str = alloc_printf("%d", shm_fuzz->shm_id); + setenv(SHM_FUZZ_ENV_VAR, shm_str, 1); + ck_free(shm_str); +#endif + fsrv->support_shmem_fuzz = 1; + fsrv->shmem_fuzz_len = (u32 *)map; + fsrv->shmem_fuzz = map + sizeof(u32); + read_initial_file(); afl_fsrv_start(fsrv, use_argv, &stop_soon, get_afl_env("AFL_DEBUG_CHILD_OUTPUT") ? 1 : 0); + if (fsrv->support_shmem_fuzz && !fsrv->use_shmem_fuzz) + shm_fuzz = deinit_shmem(fsrv, shm_fuzz); + ACTF("Performing dry run (mem limit = %llu MB, timeout = %u ms%s)...", fsrv->mem_limit, fsrv->exec_tmout, edges_only ? ", edges only" : ""); @@ -1108,6 +1139,7 @@ int main(int argc, char **argv_orig, char **envp) { OKF("We're done here. Have a nice day!\n"); afl_shm_deinit(&shm); + if (fsrv->use_shmem_fuzz) shm_fuzz = deinit_shmem(fsrv, shm_fuzz); afl_fsrv_deinit(fsrv); if (fsrv->target_path) { ck_free(fsrv->target_path); } if (mask_bitmap) { ck_free(mask_bitmap); } |