diff options
Diffstat (limited to 'src/afl-fuzz-run.c')
| -rw-r--r-- | src/afl-fuzz-run.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c index 44d3c522..8d652155 100644 --- a/src/afl-fuzz-run.c +++ b/src/afl-fuzz-run.c @@ -733,12 +733,12 @@ u8 trim_case(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) { len_p2 = next_pow2(q->len); - remove_len = MAX(len_p2 / TRIM_START_STEPS, TRIM_MIN_BYTES); + remove_len = MAX(len_p2 / TRIM_START_STEPS, (u32)TRIM_MIN_BYTES); /* Continue until the number of steps gets too high or the stepover gets too small. */ - while (remove_len >= MAX(len_p2 / TRIM_END_STEPS, TRIM_MIN_BYTES)) { + while (remove_len >= MAX(len_p2 / TRIM_END_STEPS, (u32)TRIM_MIN_BYTES)) { u32 remove_pos = remove_len; @@ -819,16 +819,27 @@ u8 trim_case(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) { fd = open(q->fname, O_WRONLY | O_CREAT | O_TRUNC, 0600); + if (fd < 0) { PFATAL("Unable to create '%s'", q->fname); } + + u32 written = 0; + while (written < q->len) { + + ssize_t result = write(fd, in_buf, q->len - written); + if (result > 0) written += result; + + } + } else { unlink(q->fname); /* ignore errors */ fd = open(q->fname, O_WRONLY | O_CREAT | O_EXCL, 0600); - } + if (fd < 0) { PFATAL("Unable to create '%s'", q->fname); } - if (fd < 0) { PFATAL("Unable to create '%s'", q->fname); } + ck_write(fd, in_buf, q->len, q->fname); + + } - ck_write(fd, in_buf, q->len, q->fname); close(fd); memcpy(afl->fsrv.trace_bits, afl->clean_trace, afl->fsrv.map_size); |