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[fuzzers] do not fail fuzzers with empty input

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Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Rich Salz <rsalz@openssl.org>

GH: #1788
This commit is contained in:
Mike Aizatsky 2016-10-26 13:56:39 -07:00 committed by Kurt Roeckx
parent e4d94269a5
commit ba7407002d
2 changed files with 14 additions and 4 deletions
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6
fuzz/cms.c
View File

@ -22,8 +22,12 @@ int FuzzerInitialize(int *argc, char ***argv) {
int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
CMS_ContentInfo *i;
BIO *in = BIO_new(BIO_s_mem());
BIO *in;
if (!len) {
return 0;
}
in = BIO_new(BIO_s_mem());
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
i = d2i_CMS_bio(in, NULL);
CMS_ContentInfo_free(i);

12
fuzz/server.c
View File

@ -217,6 +217,12 @@ int FuzzerInitialize(int *argc, char ***argv) {
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
SSL *server;
BIO *in;
BIO *out;
if (!len) {
return 0;
}
/* TODO: make this work for OpenSSL. There's a PREDICT define that may do
* the job.
* TODO: use the ossltest engine (optionally?) to disable crypto checks.
@ -224,9 +230,9 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
*/
/* This only fuzzes the initial flow from the client so far. */
SSL *server = SSL_new(ctx);
BIO *in = BIO_new(BIO_s_mem());
BIO *out = BIO_new(BIO_s_mem());
server = SSL_new(ctx);
in = BIO_new(BIO_s_mem());
out = BIO_new(BIO_s_mem());
SSL_set_bio(server, in, out);
SSL_set_accept_state(server);
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);