Re: [PATCH bpf-next v3 0/2] bpf: Align syscall writeback behavior with user-declared size

[patchwork-bot+netdevbpf]

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:

On Sun, 31 May 2026 15:55:58 +0800 you wrote:
> This series fixes an out-of-bounds write vulnerability in BPF_PROG_QUERY
> while maintaining backward compatibility for older userspace applications.
> 
> BPF_PROG_QUERY unconditionally writes back the 'query.revision' field
> to userspace. If userspace passes a smaller 'bpf_attr' structure (e.g. 40
> bytes, which was the cgroup query layout before 'query.revision' was
> added), the kernel performs an out-of-bounds write.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v3,1/2] bpf: fix BPF_PROG_QUERY OOB write and cgroup backward compat
    https://git.kernel.org/bpf/bpf-next/c/21c4b99b27f3
  - [bpf-next,v3,2/2] selftests/bpf: add verification for BPF_PROG_QUERY attr size boundaries
    https://git.kernel.org/bpf/bpf-next/c/5add3a4ad1a3

You are awesome, thank you!
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