encoder_process assumes a cleanup function has been set in the currently
in-use encoder during processing, which can lead to segfaults if said
function hasn't been set
Add a NULL check for this condition, returning -1 if it is not set
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23069)
(cherry picked from commit
cf57c3ecfa416afbc47d36633981034809ee6792)
return 0;
}
+ if (ctx->cleanup == NULL || ctx->construct == NULL) {
+ ERR_raise(ERR_LIB_OSSL_ENCODER, ERR_R_INIT_FAIL);
+ return 0;
+ }
+
return encoder_process(&data) > 0;
}