Messages in this thread |  | | Date | Tue, 23 Feb 2021 16:36:52 -0600 | From | Tyler Hicks <> | Subject | Re: [BUG] Race between policy reload sidtab conversion and live conversion |
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On 2021-02-23 15:50:56, Tyler Hicks wrote: > On 2021-02-23 15:43:48, Tyler Hicks wrote: > > I'm seeing a race during policy load while the "regular" sidtab > > conversion is happening and a live conversion starts to take place in > > sidtab_context_to_sid(). > > > > We have an initial policy that's loaded by systemd ~0.6s into boot and > > then another policy gets loaded ~2-3s into boot. That second policy load > > is what hits the race condition situation because the sidtab is only > > partially populated and there's a decent amount of filesystem operations > > happening, at the same time, which are triggering live conversions.
Hmm, perhaps this is the same problem that's fixed by Ondrej's proposed change here:
https://lore.kernel.org/selinux/20210212185930.130477-3-omosnace@redhat.com/
I'll put these changes through a validation run (the only place that I can seem to reproduce this crash) and see how it looks.
Tyler
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