On Mon, Dec 23, 2019 at 4:37 PM Paul Moore <paul@xxxxxxxxxxxxxx> wrote: > On Mon, Dec 23, 2019 at 9:37 AM Paul Moore <paul@xxxxxxxxxxxxxx> wrote: > > On Mon, Dec 23, 2019 at 4:15 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > > FYI, we noticed the following commit (built with gcc-7): > > > > > > commit: 66f8e2f03c02e812002f8e9e465681cc62edda5b ("selinux: sidtab reverse lookup hash table") > > > https://git.kernel.org/cgit/linux/kernel/git/pcmoore/selinux.git next > > > > > > ... > > > > Jeff, please look into this. I suspect we may need to check > > state->initialized in security_sidtab_hash_stats(...) (or similar). > > I realized that Jeff may very well be on a holiday so I took a closer > look and this does appear to be the/a problem. If you try to "cat > /sys/fs/selinux/ss/sidtab_hash_stats" on a system where the policy > hasn't been loaded it blows up in a bad way. I'll write up a fix > right now and post it as soon as I've verified it fixes the problem. Fix posted (see archive link below) and merged into selinux/next. Thanks for the problem report test robot! https://lore.kernel.org/selinux/157714208320.505827.13006028554511851520.stgit@chester -- paul moore www.paul-moore.com