drm/amdkfd: fix UAF race in destroy_queue_cpsch

wait_on_destroy_queue() drops locks to wait for queue resume, allowing
a concurrent destroy to free the queue. Use is_being_destroyed flag to
serialize destruction.

Reviewed-by: Amir Shetaia <Amir.Shetaia@amd.com>
Signed-off-by: Alysa Liu <Alysa.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alysa Liu 2026-05-27 11:31:35 -04:00 • committed by Alex Deucher
commit ac081deaf1