On Sun, Oct 25, 2020 at 11:28:21AM +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=209845 > > Bug ID: 209845 > Summary: ignore_msrs kernel NULL pointer dereference since > 12bc2132b15e0a969b3f455d90a5f215ef239eff > Product: Virtualization > Version: unspecified > Kernel Version: 5.9 > Hardware: x86-64 > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: kvm > Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx > Reporter: kernel-bugs@xxxxxxxxxx > Regression: No > > Created attachment 293183 > --> https://bugzilla.kernel.org/attachment.cgi?id=293183&action=edit > dmesg section > > Since commit 12bc2132b15e0a969b3f455d90a5f215ef239eff kvm crashes with a null > pointer dereference when ignore_msrs is set (log in attachement) > > Hardware: AMD Ryzen 3700x kvm_msr_ignored_check() should consider vcpu null case for kvm vm get msr features.. I'll post a fix soon, probably with a selftest too. Thanks, -- Peter Xu
