Re: mips qemu test failures in -next due to "kthread: Fix use-after-free if kthread fork fails"

[Vegard Nossum]

On 05/27/17 19:56, Guenter Roeck wrote:
> Hi,
>
> my qemu testis of mips images are failing in -next. Symptom is a hang during
> boot; see http://kerneltests.org/builders/qemu-mips-next for some examples.
>
> I bisected the problem in next-20170526. It points to commit 4d6501dce079c
> ("kthread: Fix use-after-free if kthread fork fails"). Reverting that patch
> fixes the problem.
>
> Bisect log is attached.

Hi,

Thanks for the report and sorry for the breakage :-/

I can't immediately spot what's going wrong, but I am able to reproduce
it on mips so I will try to debug.

Are you sure it's this commit, though? I checked out linus/master and
I get a boot hang even after reverting it.


Vegard