Re: 4FC58266D7F0000:error:0A08010C:SSL routines:ossl_quic_reset:unsupported:ssl/quic/quic_impl.c:798

On 9/6/24 5:46 PM, jean-frederic clere wrote:
> On 9/6/24 3:07 PM, jean-frederic clere wrote:
>> Hi,
>>
>> After 4096 requests using the same http3 connection on my demo server 
>> I have the error:
>> +++
>> 40FC58266D7F0000:error:0A0C0103:SSL routines:ch_tx:internal 
>> error:ssl/quic/quic_channel.c:2489:QUIC error code: 0x1 
>> (INTERNAL_ERROR), reason: "internal error (txp generate)"
>> +++
>>
>> The specs says:
>> "Subsequent packets sent in the same packet number space MUST increase 
>> the packet number by at least one"
>>
>> trace:
>> +++
>> ^{"name":"transport:packet_sent","data":{"header":{"packet_type":"1RTT","packet_number":29839,"dcid":""},"datagram_id":29843,"frames":[{"frame_type":"stream","stream_id":16380,"offset":4113,"payload_length":1007,"explicit_length":true,"fin":true,"length":7}]},"time":0}
>> ^^{"name":"transport:packet_received","data":{"header":{"packet_type":"1RTT","packet_number":9658,"dcid":"296373b34188f6db"},"datagram_id":9216,"frames":[{"frame_type":"ack","ack_delay":2,"acked_ranges":[[29682,29818]],"length":10}]},"time":1}
>> ^^{"name":"transport:packet_sent","data":{"header":{"packet_type":"1RTT","packet_number":29840,"dcid":""},"datagram_id":29844,"frames":[{"frame_type":"stream","stream_id":16384,"offset":0,"payload_length":0,"explicit_length":false,"length":5}]},"time":1}
>> ^^{"name":"connectivity:connection_closed","data":{"owner":"local","connection_code":"internal_error","reason":"internal error (txp generate)"},"time":0}
>> ^^{"name":"connectivity:connection_state_updated","data":{"state":"closing"},"time":0}
>> ^^{"name":"transport:packet_sent","data":{"header":{"packet_type":"1RTT","packet_number":29844,"dcid":""},"datagram_id":29848,"frames":[{"frame_type":"connection_close","error_space":"transport","error_code_value":1,"reason":"internal error (txp generate)","length":33},{"frame_type":"stream","stream_id":16384,"offset":3468,"payload_length":0,"explicit_length":false,"length":7}]},"time":7}
>> +++
>> I don't see something like 2**62 here, what do I miss?
> 
> Can't really why but in
> https://github.com/openssl/openssl/blob/feature/quic-server/ssl/quic/quic_txp.c#L902
> txp_pkt_commit() seems to fail :-(

In fact qtx_write() fails (here: 
https://github.com/openssl/openssl/blob/feature/quic-server/ssl/quic/quic_record_tx.c#L666).
According to my debug pred_hdr_len is 5 and payload_len 1196 so 1 byte 
too big :-(

> 
>>
>>
> 

-- 
Cheers

Jean-Frederic

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