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additional safety checks for restarts

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This commit is contained in:
Dominik Maier
2021-05-15 18:23:13 +02:00
parent 000c729095
commit 3d28925c13
1 changed files with 10 additions and 3 deletions
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13
src/afl-fuzz.c
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@ -332,7 +332,7 @@ static int stricmp(char const *a, char const *b) {
int main(int argc, char **argv_orig, char **envp) { int main(int argc, char **argv_orig, char **envp) {
s32 opt, i, auto_sync = 0 /*, user_set_cache = 0*/; s32 opt, auto_sync = 0 /*, user_set_cache = 0*/;
u64 prev_queued = 0; u64 prev_queued = 0;
u32 sync_interval_cnt = 0, seek_to = 0, show_help = 0, u32 sync_interval_cnt = 0, seek_to = 0, show_help = 0,
map_size = get_map_size(); map_size = get_map_size();
@ -1770,7 +1770,7 @@ int main(int argc, char **argv_orig, char **envp) {
if (extras_dir_cnt) { if (extras_dir_cnt) {
for (i = 0; i < extras_dir_cnt; i++) { for (u8 i = 0; i < extras_dir_cnt; i++) {
load_extras(afl, extras_dir[i]); load_extras(afl, extras_dir[i]);
@ -1922,6 +1922,13 @@ int main(int argc, char **argv_orig, char **envp) {
if (unlikely(seek_to)) { if (unlikely(seek_to)) {
if (unlikely(seek_to >= afl->queued_paths)) {
// This should never happen.
FATAL("BUG: seek_to location out of bounds!\n");
}
afl->current_entry = seek_to; afl->current_entry = seek_to;
afl->queue_cur = afl->queue_buf[seek_to]; afl->queue_cur = afl->queue_buf[seek_to];
seek_to = 0; seek_to = 0;
@ -2061,7 +2068,7 @@ int main(int argc, char **argv_orig, char **envp) {
} }
// we must recalculate the scores of all queue entries // we must recalculate the scores of all queue entries
for (i = 0; i < (s32)afl->queued_paths; i++) { for (u32 i = 0; i < afl->queued_paths; i++) {
if (likely(!afl->queue_buf[i]->disabled)) { if (likely(!afl->queue_buf[i]->disabled)) {