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-rw-r--r--fuzz/server.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/fuzz/server.c b/fuzz/server.c
index 8c5e2d8d4a..1a6dd2cdfd 100644
--- a/fuzz/server.c
+++ b/fuzz/server.c
@@ -530,8 +530,9 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
#ifndef OPENSSL_NO_DSA
DSA *dsakey = NULL;
#endif
+ uint8_t opt;
- if (len == 0)
+ if (len < 2)
return 0;
/*
@@ -615,7 +616,24 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
out = BIO_new(BIO_s_mem());
SSL_set_bio(server, in, out);
SSL_set_accept_state(server);
+
+ opt = (uint8_t)buf[len-1];
+ len--;
+
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
+
+ if ((opt & 0x01) != 0)
+ {
+ do {
+ char early_buf[16384];
+ size_t early_len;
+ ret = SSL_read_early_data(server, early_buf, sizeof(early_buf), &early_len);
+
+ if (ret != SSL_READ_EARLY_DATA_SUCCESS)
+ break;
+ } while (1);
+ }
+
if (SSL_do_handshake(server) == 1) {
/* Keep reading application data until error or EOF. */
uint8_t tmp[1024];