linux-kernel - [PATCH 0/2] ensure alignment on CPU page for bo mapping

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210330153334.44570-1-xry111@mengyan1223.wang>
Date:   Tue, 30 Mar 2021 23:33:32 +0800
From:   Xℹ Ruoyao <xry111@...gyan1223.wang>
To:     amd-gfx@...ts.freedesktop.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Christian König <christian.koenig@....com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Dan Horák <dan@...ny.cz>,
        Alex Deucher <alexander.deucher@....com>,
        David Airlie <airlied@...ux.ie>,
        Xℹ Ruoyao <xry111@...gyan1223.wang>
Subject: [PATCH 0/2] ensure alignment on CPU page for bo mapping

In AMDGPU driver, the bo mapping should always align to CPU page or
the page table is corrupted.

The first patch is cherry-picked from Loongson community, which sets a
suitable dev_info.gart_page_size so Mesa will handle the alignment
correctly.

The second patch is added to ensure an ioctl with unaligned parameter to
be rejected -EINVAL, instead of causing page table corruption.

The patches should be applied for drm-next.

Huacai Chen (1):
  drm/amdgpu: Set a suitable dev_info.gart_page_size

Xℹ Ruoyao (1):
  drm/amdgpu: check alignment on CPU page for bo map

 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 4 ++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c  | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

base-commit: a0c8b193bfe81cc8e9c7c162bb8d777ba12596f0
-- 
2.31.1