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

Greg Kroah-Hartman gregkh at linuxfoundation.org
Fri May 12 22:34:33 UTC 2023


On Fri, May 12, 2023 at 03:25:47PM +0000, Christophe Leroy wrote:
> 
> 
> Le 12/05/2023 à 17:16, Christophe Leroy a écrit :
> > 
> > 
> > Le 11/05/2023 à 19:25, Niccolò Belli a écrit :
> >> [Vous ne recevez pas souvent de courriers de 
> >> darkbasic at linuxsystems.it. D?couvrez pourquoi ceci est important ? 
> >> https://aka.ms/LearnAboutSenderIdentification ]
> >>
> >> 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).
> > 
> > As far as I can see that patch has no Fixes: tag, so it will unlikely be 
> > automatically merged into stable.
> > 
> > Has anybody requested greg/sasha to get it into 6.3 ?
> > 
> 
> In fact, it seems that patch is already part of 6.3:
> 
> $ git tag --contains f4f3b7dedbe8
> v6.3
> v6.3-rc5
> v6.3-rc6
> v6.3-rc7
> v6.3.1
> v6.3.2
> v6.4-rc1

And that commit is already in the following releases:
	5.10.177 5.15.106 6.1.23 6.2.10 6.3

So what needs to be done here?

confused,

greg k-h


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