Re: WARNING in try_charge

From: Michal Hocko
Date: Mon Aug 06 2018 - 07:32:17 EST


On Mon 06-08-18 04:27:02, syzbot wrote:
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
>
> Reported-and-tested-by:
> syzbot+bab151e82a4e973fa325@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> Tested on:
>
> commit: 8c8399e0a3fb Add linux-next specific files for 20180806
> git tree: linux-next
> kernel config: https://syzkaller.appspot.com/x/.config?x=1b6bc1781e49e93e
> compiler: gcc (GCC) 8.0.1 20180413 (experimental)
> patch: https://syzkaller.appspot.com/x/patch.diff?x=14fe18e2400000
>
> Note: testing is done by a robot and is best-effort only.

OK, so this smells like a problem in the previous group oom changes. Or
maybe it is not very easy to reproduce?

--
Michal Hocko
SUSE Labs