Messages in this thread | | | From | Dmitry Vyukov <> | Date | Thu, 25 Feb 2021 15:14:23 +0100 | Subject | Re: general protection fault in vmx_vcpu_run (2) |
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On Wed, Feb 24, 2021 at 6:49 PM Borislav Petkov <bp@alien8.de> wrote: > > Hi Dmitry, > > On Wed, Feb 24, 2021 at 06:12:57PM +0100, Dmitry Vyukov wrote: > > Looking at the bisection log, the bisection was distracted by something else. > > Meaning the bisection result: > > 167dcfc08b0b ("x86/mm: Increase pgt_buf size for 5-level page tables") > > is bogus? > > > You can always find the original reported issue over the dashboard link: > > https://syzkaller.appspot.com/bug?extid=42a71c84ef04577f1aef > > or on lore: > > https://lore.kernel.org/lkml/0000000000007ff56205ba985b60@google.com/ > > Ok, so this looks like this is trying to run kvm ioctls *in* a guest, > i.e., nested. Right?
Yes, testing happens in VM. But the kernel that crashes is the one that receives the ioctls.
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