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added AFL_MAP_SIZE (wip)

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van Hauser
2020-04-17 09:10:49 +02:00
parent 16ce555845
commit 5b70d23211
15 changed files with 116 additions and 76 deletions
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21
src/afl-forkserver.c
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@ -407,21 +407,26 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
if ((status & FS_OPT_MAPSIZE) == FS_OPT_MAPSIZE) {
fsrv->map_size = FS_OPT_GET_MAPSIZE(status);
if (unlikely(fsrv->map_size % 8)) {
u32 tmp_map_size = FS_OPT_GET_MAPSIZE(status);
if (!fsrv->map_size) fsrv->map_size = MAP_SIZE;
if (unlikely(tmp_map_size % 8)) {
// should not happen
WARNF("Target reported non-aligned map size of %ud", fsrv->map_size);
fsrv->map_size = (((fsrv->map_size + 8) >> 3) << 3);
WARNF("Target reported non-aligned map size of %ud", tmp_map_size);
tmp_map_size = (((tmp_map_size + 8) >> 3) << 3);
}
if (!be_quiet) ACTF("Target map size: %u", fsrv->map_size);
if (fsrv->map_size > MAP_SIZE)
if (!be_quiet) ACTF("Target map size: %u", tmp_map_size);
if (tmp_map_size > fsrv->map_size)
FATAL(
"Target's coverage map size of %u is larger than the one this "
"afl++ is compiled with (%u) (change MAP_SIZE and recompile)\n",
fsrv->map_size, MAP_SIZE);
"afl++ is set with (%u) (change MAP_SIZE_POW2 in config.h and "
"recompile or set AFL_MAP_SIZE)\n",
tmp_map_size, fsrv->map_size);
fsrv->map_size = tmp_map_size;
}