Linux kernel bug fix: drm/i915: Check for rq->hwsp validity after acquiring RCU lock
Subsystem: gpu/i915 (drivers/gpu/drm/i915/gt/intel_breadcrumbs.c)
Bug type: unknown, severity: critical
Files changed: drivers/gpu/drm/i915/gt/intel_breadcrumbs.c;drivers/gpu/drm/i915/gt/intel_timeline.c;drivers/gpu/drm/i915/i915_request.h
Introduced by Chris Wilson on 2019-01-28 19:06:59 +0000; fixed by Chris Wilson on 2020-12-18 18:49:40 +0000 (lifetime: 689 days)