Linux kernel bug fix: drm/i915: Avoid refcount_inc on known zero count
Subsystem: gpu/i915 (drivers/gpu/drm/i915/intel_wakeref.c)
Bug type: use-after-free, severity: high
Keywords: refcount;use after free
Files changed: drivers/gpu/drm/i915/intel_wakeref.c
Introduced by Chris Wilson on 2019-05-28 08:23:09 +0100; fixed by Chris Wilson on 2019-05-29 13:15:39 +0100 (lifetime: 1 days)