We shouldn't ever have the case where the data flags indicate that
err_data has been malloc'd, but the err_data field is NULL.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22368)
We save the error state from the thread that encountered
a permanent error condition caused by system or internal
error to the QUIC_CHANNEL.
Then we restore it whenever we are returning to a user
call when protocol is shutdown.
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21087)
