diff options
-rw-r--r-- | lib/rtsp.c | 9 | ||||
-rw-r--r-- | tests/fuzz/curl_fuzz_data/oss-fuzz-3327 | bin | 0 -> 27 bytes |
2 files changed, 9 insertions, 0 deletions
diff --git a/lib/rtsp.c b/lib/rtsp.c index 9bd935fd5..4bca11459 100644 --- a/lib/rtsp.c +++ b/lib/rtsp.c @@ -756,6 +756,15 @@ CURLcode rtp_client_write(struct connectdata *conn, char *ptr, size_t len) } writeit = data->set.fwrite_rtp?data->set.fwrite_rtp:data->set.fwrite_func; + + if(!data->set.fwrite_rtp && !data->set.is_fwrite_set && + !data->set.rtp_out) { + /* if no callback is set for either RTP or default, the default function + fwrite() is utilized and that can't handle a NULL input */ + failf(data, "No destination to default data callback!"); + return CURLE_WRITE_ERROR; + } + wrote = writeit(ptr, 1, len, data->set.rtp_out); if(CURL_WRITEFUNC_PAUSE == wrote) { diff --git a/tests/fuzz/curl_fuzz_data/oss-fuzz-3327 b/tests/fuzz/curl_fuzz_data/oss-fuzz-3327 Binary files differnew file mode 100644 index 000000000..064cc623a --- /dev/null +++ b/tests/fuzz/curl_fuzz_data/oss-fuzz-3327 |