Re: WARNING in try_charge

Dmitry Vyukov
2018-08-06T11:58:49Z

On Mon, Aug 6, 2018 at 1:32 PM, Michal Hocko <mhocko@kernel.org> wrote:
> 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@syzkaller.appspotmail.com
>>
>> 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?

It's possible to ask syzbot to test on a particular tree/commit too.