linux-kernel - Re: [PATCH 1/2] amdgpu: validate drm_amdgpu_gem

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Date:   Wed, 17 May 2023 14:26:49 -0700
From:   Chia-I Wu <olvaffe@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Marek Olšák <marek.olsak@....com>,
        Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@....com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Philip Yang <Philip.Yang@....com>,
        Luben Tuikov <luben.tuikov@....com>,
        Danijel Slivka <danijel.slivka@....com>,
        Mukul Joshi <mukul.joshi@....com>,
        amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] amdgpu: validate drm_amdgpu_gem_va addrs for all ops

On Tue, May 9, 2023 at 11:33 AM Chia-I Wu <olvaffe@...il.com> wrote:
>
> Extend the address and size validations to AMDGPU_VA_OP_UNMAP and
> AMDGPU_VA_OP_CLEAR by moving the validations to amdgpu_gem_va_ioctl.
>
> Internal users of amdgpu_vm_bo_map are no longer validated but they
> should be fine.
>
> Userspace (radeonsi and radv) seems fine as well.
Does this series make sense?