In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Use spinlockirqsave() in interruptible context spinlock/unlock() functions used in interrupt contexts could result in a deadlock, as seen in GitLab issue #13399, which occurs when interrupt comes in while holding a lock. Try to remedy the problem by saving irq state before spin lock acquisition. v2: add irqs' state save/restore calls to all locks/unlocks in signalirqwork() execution (Maciej) v3: use with spinlockirqsave() in guclrcdescunpin() instead of other lock/unlock calls and add Fixes and Cc tags (Tvrtko); change title and commit message (cherry picked from commit c088387ddd6482b40f21ccf23db1125e8fa4af7e)
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