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Date: Thu, 27 Sep 2018 15:22:21 +0000
From: Christopher Lameter <cl@linux.com>
Subject: Re: WARNING: kmalloc bug in input_mt_init_slots
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To: Dmitry Vyukov <dvyukov@google.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>, syzbot+87829a10073277282ad1@syzkaller.appspotmail.com, Pekka Enberg <penberg@kernel.org>, "linux-input@vger.kernel.org" <linux-input@vger.kernel.org>, lkml <linux-kernel@vger.kernel.org>, Henrik Rydberg <rydberg@bitmath.org>, syzkaller-bugs <syzkaller-bugs@googlegroups.com>, Linux-MM <linux-mm@kvack.org>

On Thu, 27 Sep 2018, Dmitry Vyukov wrote:

> On Thu, Sep 27, 2018 at 4:16 PM, Christopher Lameter <cl@linux.com> wrote:
> > On Thu, 27 Sep 2018, Dmitry Vyukov wrote:
> >
> >> On Tue, Sep 25, 2018 at 4:04 PM, Christopher Lameter <cl@linux.com> wrote:
> >> > On Tue, 25 Sep 2018, Dmitry Vyukov wrote:
> >> >
> >> >> Assuming that the size is large enough to fail in all allocators, is
> >> >> this warning still useful? How? Should we remove it?
> >> >
> >> > Remove it. It does not make sense because we check earlier if possible
> >> > without the warn.
> >>
> >> Mailed "mm: don't warn about large allocations for slab" to remove the warning.
> >>
> >
> > Hoe it arrives here at some point.
>
> It's here:
> https://lore.kernel.org/patchwork/patch/992660/
>

Please post on the mailing list and NAK to the patch. Testing against
KMALLOC_MAX_CACHE_SIZE is not ok.