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better forkserver error help and code format

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vanhauser-thc
2021-03-24 09:41:40 +01:00
parent 2fef89950f
commit 70c1de5d64
5 changed files with 83 additions and 46 deletions
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12
src/afl-fuzz-run.c
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@ -83,7 +83,8 @@ write_to_testcase(afl_state_t *afl, void *mem, u32 len) {
afl->document_counter++,
describe_op(afl, 0, NAME_MAX - strlen("000000000:")));
if ((doc_fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, DEFAULT_PERMISSION)) >= 0) {
if ((doc_fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, DEFAULT_PERMISSION)) >=
0) {
if (write(doc_fd, mem, len) != len)
PFATAL("write to mutation file failed: %s", fn);
@ -247,12 +248,14 @@ static void write_with_gap(afl_state_t *afl, u8 *mem, u32 len, u32 skip_at,
if (unlikely(afl->no_unlink)) {
fd = open(afl->fsrv.out_file, O_WRONLY | O_CREAT | O_TRUNC, DEFAULT_PERMISSION);
fd = open(afl->fsrv.out_file, O_WRONLY | O_CREAT | O_TRUNC,
DEFAULT_PERMISSION);
} else {
unlink(afl->fsrv.out_file); /* Ignore errors. */
fd = open(afl->fsrv.out_file, O_WRONLY | O_CREAT | O_EXCL, DEFAULT_PERMISSION);
fd = open(afl->fsrv.out_file, O_WRONLY | O_CREAT | O_EXCL,
DEFAULT_PERMISSION);
}
@ -564,7 +567,8 @@ void sync_fuzzers(afl_state_t *afl) {
/* document the attempt to sync to this instance */
sprintf(qd_synced_path, "%s/.synced/%s.last", afl->out_dir, sd_ent->d_name);
id_fd = open(qd_synced_path, O_RDWR | O_CREAT | O_TRUNC, DEFAULT_PERMISSION);
id_fd =
open(qd_synced_path, O_RDWR | O_CREAT | O_TRUNC, DEFAULT_PERMISSION);
if (id_fd >= 0) close(id_fd);
/* Skip anything that doesn't have a queue/ subdirectory. */