From: Peter Xu <peterx@redhat.com>
To: bugzilla-daemon@bugzilla.kernel.org
Cc: kvm@vger.kernel.org
Subject: Re: [Bug 209845] New: ignore_msrs kernel NULL pointer dereference since 12bc2132b15e0a969b3f455d90a5f215ef239eff
Date: Sun, 25 Oct 2020 12:24:19 -0400 [thread overview]
Message-ID: <20201025162419.GI3208@xz-x1> (raw)
In-Reply-To: <bug-209845-28872@https.bugzilla.kernel.org/>
On Sun, Oct 25, 2020 at 11:28:21AM +0000, bugzilla-daemon@bugzilla.kernel.org 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@kernel-bugs.osdl.org
> Reporter: kernel-bugs@steffen.cc
> 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
next prev parent reply other threads:[~2020-10-25 16:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-25 11:28 [Bug 209845] New: ignore_msrs kernel NULL pointer dereference since 12bc2132b15e0a969b3f455d90a5f215ef239eff bugzilla-daemon
2020-10-25 16:24 ` Peter Xu [this message]
2020-10-25 16:24 ` [Bug 209845] " bugzilla-daemon
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