2017-10-25 20:50:23

by Boris Ostrovsky

[permalink] [raw]
Subject: Re: ce56a86e2a ("x86/mm: Limit mmap() of /dev/mem to valid physical addresses"): kernel BUG at arch/x86/mm/physaddr.c:79!

On 10/23/2017 10:44 PM, Fengguang Wu wrote:
> Greetings,
>
> 0day kernel testing robot got the below dmesg and the first bad commit is
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>
> commit ce56a86e2ade45d052b3228cdfebe913a1ae7381
> Author: Craig Bergstrom <[email protected]>
> AuthorDate: Thu Oct 19 13:28:56 2017 -0600
> Commit: Ingo Molnar <[email protected]>
> CommitDate: Fri Oct 20 09:48:00 2017 +0200
>
> x86/mm: Limit mmap() of /dev/mem to valid physical addresses

Also note
https://lists.xenproject.org/archives/html/xen-devel/2017-10/msg02935.html

-boris

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