Re: [Intel-gfx] [PATCH 1/1] drm/i915: fix race condition UAF in i915_perf_add_config_ioctl

On Tue, Mar 28, 2023 at 05:36:27PM +0800, Min Li wrote: > Userspace can guess the id value and try to race oa_config object creation > with config remove, resulting in a use-after-free if we dereference the > object after unlocking the metrics_lock. For that reason, unlocking the > metrics_lock

Re: [Intel-gfx] [PATCH 1/1] drm/i915: fix race condition UAF in i915_perf_add_config_ioctl

Hi Min, On Tue, Mar 28, 2023 at 05:36:27PM +0800, Min Li wrote: > Userspace can guess the id value and try to race oa_config object creation > with config remove, resulting in a use-after-free if we dereference the > object after unlocking the metrics_lock. For that reason, unlocking the >