Re: [PATCH v4 0/5] libbpf: move arena variables out of the zero page

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Tue, 16 Dec 2025 12:33:20 -0500 you wrote:
> Modify libbpf to place arena globals at the end of the arena mapping
> instead of the very beginning. This allows programs to leave the
> "zero page" of the arena unmapped, so that NULL arena pointer
> dereferences trigger a page fault and associated backtrace in BPF streams.
> In contrast, the current policy of placing global data in the zero pages
> means that NULL dereferences silently corrupt global data, e.g, arena
> qspinlock state. This makes arena bugs more difficult to debug.
> 
> [...]

Here is the summary with links:
  - [v4,1/5] selftests/bpf: explicitly account for globals in verifier_arena_large
    https://git.kernel.org/bpf/bpf-next/c/0355911ac021
  - [v4,2/5] bpf/verifier: do not limit maximum direct offset into arena map
    https://git.kernel.org/bpf/bpf-next/c/12a1fe6e12db
  - [v4,3/5] libbpf: turn relo_core->sym_off unsigned
    https://git.kernel.org/bpf/bpf-next/c/0aa721437e4b
  - [v4,4/5] libbpf: move arena globals to the end of the arena
    https://git.kernel.org/bpf/bpf-next/c/c1f61171d44b
  - [v4,5/5] selftests/bpf: add tests for the arena offset of globals
    https://git.kernel.org/bpf/bpf-next/c/19f12431b6c3

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html