On Monday, May 9, 2022 5:10:07 AM EDT Daniel P. Berrangé wrote: > On Fri, Jan 21, 2022 at 01:04:51PM -0500, Steve Grubb wrote: > > This is a continuation of the discussion from F36 Change: GNU Toolchain > > Update. > > snip. > > > He talks about -ftrivial-auto-var-init=zero being used for production > > builds and -ftrivial-auto-var-init=<pattern> being used for debug > > builds. The use is not just the kernel. Consider a server that returns > > data across the network to a client. It could possibly leak crypto keys > > or passwords if the returned data structure has uninitialized memory. > > snip > > > I think this would be an important step forward to turn this on across > > all compilations. We could wipe out an entire class of bugs in one fell > > swoop. > > Fast-forward a few months and I see GCC 12.1 is released now with > -ftrivial-auto-var-init option support [2]. > > Are you going to take this idea forward and make a formal change proposal > for Fedora to set -ftrivial-auto-var-init=zero by default in its default > RPM build flags ? I've connected with the gcc folks and we will file a proposal in the near future. -Steve _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
