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Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver



On 12/10/25 20:45, Salvatore Bonaccorso wrote:
Control: tags -1 + moreinfo

Hi,

Hi. Thanks for taking time looking at this (cosmetic if really false positive) bug.

There is an upstream report which seems to match:
https://gitlab.freedesktop.org/drm/amd/-/issues/4374

Yes this look the same. The good point is that it seems to be a false positive and browsing internet it appeared already on much older kernels...


Alex Deucher proposed there two changes, can you test those please and
report back if they work? If so can you please directly confirm in the
upstream issue which fixes it and report back here as well?


Well. Compiling a debian kernel on this machine will requires several hours. Will eventually do. I will report if I do.

Thanks again.

--
Eric Valette


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