On Mon, 2018-06-11 at 14:56 -0300, Andreas Hasenack wrote: > Hello, > > I was pulling the latest autofs from Debian into Ubuntu and, due to a > mistake of mine, I dropped a line in d/rules that was _removing_ the > -Wl,-Bsymbolic-functions flag from LDFLAGS set by Ubuntu. > > The build proceeded as normal, packages installed, and I started > getting segfaults all over the place. > > This has happened before: > https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1470687: Not > working properly with compile options "-symbolic-functions" > https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1472115: autofs > start fails: segfault at 0 ip .... > https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1503034: Autofs > 5.1.1-1ubuntu2 crashes with segfault on startup > > For the lookup_ldap specific case, just dropping the linker flag from > Ubuntu's LDFLAGS wasn't enough, because it leaks back in via > $(krb5-config --libs), so a patch (attached) was contributed by > Malcolm Scott (https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1503034/c > omments/7). > The patch still applies to current master, but with some offset. > > Would there be interest from upstream in adopting this patch, even > though there is no crash on a default upstream build? If this makes > sense, other modules could follow the same path. > > I also asked ubuntu-devel for the reasoning for > -Wl,-Bsymbolic-functions and why Debian isn't using it: > https://lists.ubuntu.com/archives/ubuntu-devel/2018-June/040369.html. > It looks like it's one of those things that just never converged > between the two distros. Interesting. I thought I initialized the config earlier, during startup. I'll have a closer look later. Thanks Ian -- To unsubscribe from this list: send the line "unsubscribe autofs" in
