Re: WARNING in try_charge

On Mon, Aug 6, 2018 at 1:32 PM, Michal Hocko [off-list ref] wrote:

On Mon 06-08-18 04:27:02, syzbot wrote:

quoted

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.