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

Christophe Leroy christophe.leroy at csgroup.eu
Fri May 12 15:25:47 UTC 2023



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


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