[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 #13 from Johannes Hirte (johannes.hirte at datenkhaos.de) ---
(In reply to Harry Wentland from comment #11)
> Should be fixed by https://patchwork.freedesktop.org/patch/230831/ which is
> merged into amd-staging-drm-next

Just tested with 4.18-rc6 that has this patch applied. Still getting the
use-after-free. Looking at this patch, this seems to fix another bug:

BUG: KASAN: use-after-free in amdgpu_dm_atomic_commit_tail.cold.50+0x13d/0x15a
[amdgpu]

whereas this one is:

BUG: KASAN: use-after-free in drm_atomic_helper_wait_for_flip_done+0x212/0x270

I'll try the patch from Daniel Vetter now.

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