Re: [PATCH bpf 1/2] bpf, mprog: Fix maximum program check on mprog attachment

[patchwork-bot+netdevbpf@kernel.org]

Hello:

This series was applied to bpf/bpf.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Fri, 29 Sep 2023 22:41:20 +0200 you wrote:
> After Paul's recent improvement to syzkaller to improve coverage for
> bpf_mprog and tcx, it hit a splat that the program limit was surpassed.
> What happened is that the maximum number of progs got added, followed
> by another prog add request which adds with BPF_F_BEFORE flag relative
> to the last program in the array. The idx >= bpf_mprog_max() check in
> bpf_mprog_attach() still passes because the index is below the maximum
> but the maximum will be surpassed. We need to add a check upfront for
> insertions to catch this situation.
> 
> [...]

Here is the summary with links:
  - [bpf,1/2] bpf, mprog: Fix maximum program check on mprog attachment
    https://git.kernel.org/bpf/bpf/c/f9b0e1088bbf
  - [bpf,2/2] selftest/bpf: Add various selftests for program limits
    https://git.kernel.org/bpf/bpf/c/4cb893e89221

You are awesome, thank you!
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