Hi Stephan, On 08/15/2015 11:08 AM, Stephan Mueller wrote: > Am Mittwoch, 12. August 2015, 20:54:39 schrieb Tadeusz Struk: > > Hi Tadeusz, > >> @@ -41,7 +41,7 @@ struct pkcs7_parse_context { >> static void pkcs7_free_signed_info(struct pkcs7_signed_info *sinfo) >> { >> if (sinfo) { >> - mpi_free(sinfo->sig.mpi[0]); >> + kfree(sinfo->sig.s); > > kzfree? > >> kfree(sinfo->sig.digest); > > kzfree? > >> kfree(sinfo->signing_cert_id); >> kfree(sinfo); > > kzfree (due to ->msdigest)? >
Sorry for late response. I was on vacation. All these above are module signatures, which are not sensitive, so no need to zero the buffers on free. The only thing that is sensitive is the private key, which is only used for signing modules on make modules_install and never included in the kernel. Thanks, T -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/