The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 7024f60d655272bd2ca1d3a4c9e0a63319b1eea1
Gitweb:
https://git.kernel.org/tip/7024f60d655272bd2ca1d3a4c9e0a63319b1eea1
Author:Hyunwook (Wooky) Baek
AuthorDate:Sat, 09 Jan 2021 23:11:02 -08:00
The following commit has been merged into the x86/seves branch of tip:
Commit-ID: 36648d64ac3420b3cfa741b12b14633fad9651e4
Gitweb:
https://git.kernel.org/tip/36648d64ac3420b3cfa741b12b14633fad9651e4
Author:Hyunwook (Wooky) Baek
AuthorDate:Sat, 09 Jan 2021 23:11:02 -08:00
Don't assume dest/source buffers are userspace addresses when manually
copying data for string I/O or MOVS MMIO, as {get,put}_user() will fail
if handed a kernel address and ultimately lead to a kernel panic.
Signed-off-by: Hyunwook (Wooky) Baek
Acked-by: David Rientjes
---
This pat
:
>
> On Thu, Jan 07, 2021 at 06:51:07PM -0800, Hyunwook (Wooky) Baek wrote:
> > Don't assume dest/source buffers are userspace addresses when manually
> > copying data for string I/O or MOVS MMIO, as {get,put}_user() will fail
> > if handed a kernel address and ulti
Don't assume dest/source buffers are userspace addresses when manually
copying data for string I/O or MOVS MMIO, as {get,put}_user() will fail
if handed a kernel address and ultimately lead to a kernel panic.
Signed-off-by: Hyunwook (Wooky) Baek
Acked-by: David Rientjes
---
arch/x86/kerne
Hello,
We found SEV-enabled VMs crash with the latest CentOS and Rhel images in Google
Cloud (centos-8-v20201112 and rhel-8-v20201112), because the MOK var table patch
(https://lkml.org/lkml/2020/8/25/1344) is making a #GP with SEV-enabled VMs,
but the patch is backported to those images. It looks
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