Re: db57e98d87 ("mm/sparse.c: fix ALIGN() without power of 2 in .."): BUG: kernel reboot-without-warning in early-boot stage, last printk: early console in setup code

From: Andrew Morton
Date: Thu Jul 16 2020 - 18:06:16 EST


On Thu, 16 Jul 2020 16:32:00 +0800 kernel test robot <lkp@xxxxxxxxx> 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 db57e98d87908b8837352abe08515e42752270c1
> Author: Lecopzer Chen <lecopzer.chen@xxxxxxxxxxxx>
> AuthorDate: Mon Sep 23 15:36:24 2019 -0700
> Commit: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> CommitDate: Tue Sep 24 15:54:09 2019 -0700
>
> mm/sparse.c: fix ALIGN() without power of 2 in sparse_buffer_alloc()

Are we sure about this? That patch is a year old - has something
in the test setup changed to make it visible at this late stage?