On Fri, 29 May 2020 at 01:08, Sean Christopherson <sean.j.christopherson@xxxxxxxxx> wrote: > > On Fri, May 29, 2020 at 12:59:40AM +0530, Naresh Kamboju wrote: > > While running selftest kvm set_memory_region_test on x86_64 linux-next kernel > > 5.7.0-rc6-next-20200518 the kernel BUG noticed. > > > > steps to reproduce: (always reproducible ) > > ------------------------- > > cd /opt/kselftests/default-in-kernel/kvm > > ./set_memory_region_test > > > > BAD: next-20200518 (still reproducible on next-20200526) > > GOOD: next-20200515 > > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > > kernel config: > > http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-corei7-64/lkft/linux-next/777/config > > > > kernel crash log, > > ----------------------- > > [ 33.074161] ------------[ cut here ]------------ > > [ 33.079845] kernel BUG at /usr/src/kernel/arch/x86/kvm/mmu/mmu.c:3722! > > I'm 99% certain this is already fixed[*], I'll double check to confirm. Thanks for looking into this problem. > [*] https://lkml.kernel.org/r/20200527085400.23759-1-sean.j.christopherson@xxxxxxxxx I see you made a recent fix (on Wed, 27 May 2020). Let this patch get into the linux-next tree master and our build system will pull it and test it. I will report back once it is fixed. - Naresh
