Fwd: Linux 6.3.1 + AMD RX 570 on ppc64le 4K: Kernel attempted to read user page (1128) - exploit attempt? (uid: 0)

[Niccolò Belli]

Il 2023-05-12 10:32 Bagas Sanjaya ha scritto:
> #regzbot introduced: f4f3b7dedbe849
> #regzbot link: https://gitlab.freedesktop.org/drm/amd/-/issues/2553

It doesn't look like the aforementioned patch made its way into 6.3 yet:

niko at talos2 ~/devel/linux-stable $ git branch
* linux-6.3.y
   master
niko at talos2 ~/devel/linux-stable $ git show f4f3b7dedbe8 | patch -p1
patching file 
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
Hunk #1 succeeded at 227 (offset 15 lines).
Hunk #2 succeeded at 269 with fuzz 2 (offset 19 lines).
patching file 
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
Hunk #1 succeeded at 49 with fuzz 2 (offset 15 lines).