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Date: Mon, 23 Apr 2018 20:46:43 -0700
From: Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
Message-ID: <20180424034643.GA26636@bombadil.infradead.org>
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To: Mikulas Patocka <mpatocka@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>, David Miller <davem@davemloft.net>, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org, eric.dumazet@gmail.com, edumazet@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, dm-devel@redhat.com, Vlastimil Babka <vbabka@suse.cz>

On Mon, Apr 23, 2018 at 08:06:16PM -0400, Mikulas Patocka wrote:
> Some bugs (such as buffer overflows) are better detected
> with kmalloc code, so we must test the kmalloc path too.

Well now, this brings up another item for the collective TODO list --
implement redzone checks for vmalloc.  Unless this is something already
taken care of by kasan or similar.