Hello: This series was applied to bpf/bpf.git (refs/heads/master): On Fri, 22 Jan 2021 17:42:31 +0100 you wrote: > A toctou issue in `__cgroup_bpf_run_filter_getsockopt` can trigger a > WARN_ON_ONCE in a check of `copy_from_user`. > `*optlen` is checked to be non-negative in the individual getsockopt > functions beforehand. Changing `*optlen` in a race to a negative value > will result in a `copy_from_user(ctx.optval, optval, ctx.optlen)` with > `ctx.optlen` being a negative integer. > > [...] Here is the summary with links: - [1/2] bpf: cgroup: Fix optlen WARN_ON_ONCE toctou https://git.kernel.org/bpf/bpf/c/bb8b81e396f7 - [2/2] bpf: cgroup: Fix problematic bounds check https://git.kernel.org/bpf/bpf/c/f4a2da755a7e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html