[Bug 199425] BUG: KASAN: use-after-free in drm_atomic_helper_wait_for_flip_done+0x247/0x260

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=199425

--- Comment #14 from Johannes Hirte (johannes.hirte at datenkhaos.de) ---
(In reply to mikita.lipski at amd.com from comment #10)
> Johannes,
> My patch wasn't merged into DRM, but Daniel Vetter proposed another patch
> that might remove legacy code that causes the issue. Could you remove my
> patch from your tree and apply the following patch:
> 
> https://patchwork.freedesktop.org/patch/230355/
> 
> Could you please if it fixes the Kasan issue for you, thanks.

Doesn't avoid the use-after-free. Tested with the patch on top of 4.18-rc6.

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