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less stack mem req

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This commit is contained in:
van Hauser
2021-01-23 10:01:09 +01:00
parent a22c8ffdf2
commit 0a3a708f9b
2 changed files with 6 additions and 4 deletions
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7
src/afl-fuzz-queue.c
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@ -313,17 +313,18 @@ void mark_as_redundant(afl_state_t *afl, struct queue_entry *q, u8 state) {
/* check if ascii or UTF-8 */
static u8 check_if_text(struct queue_entry *q) {
static u8 check_if_text(afl_state_t *afl, struct queue_entry *q) {
if (q->len < AFL_TXT_MIN_LEN) return 0;
u8 buf[MAX_FILE];
u8 *buf;
int fd;
u32 len = q->len, offset = 0, ascii = 0, utf8 = 0;
ssize_t comp;
if (len >= MAX_FILE) len = MAX_FILE - 1;
if ((fd = open(q->fname, O_RDONLY)) < 0) return 0;
buf = afl_realloc(AFL_BUF_PARAM(in_scratch), len);
comp = read(fd, buf, len);
close(fd);
if (comp != (ssize_t)len) return 0;
@ -487,7 +488,7 @@ void add_to_queue(afl_state_t *afl, u8 *fname, u32 len, u8 passed_det) {
}
/* only redqueen currently uses is_ascii */
if (afl->shm.cmplog_mode) q->is_ascii = check_if_text(q);
if (afl->shm.cmplog_mode) q->is_ascii = check_if_text(afl, q);
}