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#![no_main]
#[macro_use]
extern crate libfuzzer_sys;
extern crate rustls;
use rustls::internal::msgs::base::Payload;
use rustls::internal::msgs::codec::Reader;
use rustls::internal::msgs::fragmenter::MessageFragmenter;
use rustls::internal::msgs::message::{Message, OutboundOpaqueMessage, PlainMessage};
fuzz_target!(|data: &[u8]| {
let mut rdr = Reader::init(data);
let Ok(msg) = OutboundOpaqueMessage::read(&mut rdr) else {
return;
};
let Ok(msg) = Message::try_from(msg.into_plain_message()) else {
return;
};
let mut frg = MessageFragmenter::default();
frg.set_max_fragment_size(Some(32))
.unwrap();
for msg in frg.fragment_message(&PlainMessage::from(msg)) {
Message::try_from(PlainMessage {
typ: msg.typ,
version: msg.version,
payload: Payload::Owned(msg.payload.to_vec()),
})
.ok();
}
});
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