[389-devel] Re: Issue with building RPMs with ASAN_ON

> On 18 Jun 2019, at 14:19, Viktor Ashirov <vashirov(a)redhat.com&gt; wrote: > > > > On Tue, Jun 18, 2019 at 2:10 PM William Brown <wbrown(a)suse.de&gt; wrote: > > > > > Memalign is pretty important - the short version is "we can not remove it". > > I didn't say "remove", I said "review". > > > > There are some structures in the code that rely on this for performance to guarantee that they memory is aligned to a page boundary, or cache line boundary. In some cases it's required to allow the atomics to work in nunc-stans (well, lfds, but the value of that today is questionable when the rust version is possibly safer and faster). > > Since you're the expert in this area, maybe you can leave a comment in the issue linked above with the justification for upstream to reconsider? > > You mean upstream LSAN/ASAN in this case, yes? > Yes, this https://github.com/google/sanitizers/issues/723 Reading the report, that is only about mprotect of alligned memory, not of memory that is just aligned. Perhaps our issue is different? Maybe. I only tried the workaround that worked for me. At least I got some

> > > — > Sincerely, > > William Brown > > Senior Software Engineer, 389 Directory Server > SUSE Labs > _______________________________________________ > 389-devel mailing list -- 389-devel(a)lists.fedoraproject.org > To unsubscribe send an email to 389-devel-leave(a)lists.fedoraproject.org > 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/389-devel@lists.fedoraproje... > > > -- > Viktor > _______________________________________________ > 389-devel mailing list -- 389-devel(a)lists.fedoraproject.org > To unsubscribe send an email to 389-devel-leave(a)lists.fedoraproject.org > 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/389-devel@lists.fedoraproje... — Sincerely, William Brown Senior Software Engineer, 389 Directory Server SUSE Labs _______________________________________________ 389-devel mailing list -- 389-devel(a)lists.fedoraproject.org To unsubscribe send an email to 389-devel-leave(a)lists.fedoraproject.org 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/389-devel@lists.fedoraproje...