kernel: drm/i915/gt: Fix potential UAF by revoke of fence registers

A use-after-free was found in drivers/gpu/drm/i915/gt/intelggttfencing.c in the Linux kernel. This issue can be caused by a race among revocation of fence registers on one side and sequential execution of signal callbacks invoked on completion of a request that was using them on the other,...

kernel: drm/i915/gt: Fix potential UAF by revoke of fence registers

A use-after-free was found in drivers/gpu/drm/i915/gt/intelggttfencing.c in the Linux kernel. This issue can be caused by a race among revocation of fence registers on one side and sequential execution of signal callbacks invoked on completion of a request that was using them on the other,...