Re: [PATCH bpf-next 0/2] bpf: Fix verifier_bug_if to account for BPF_CALL

From: patchwork-bot+netdevbpf

Date: Wed Jan 28 2026 - 21:50:31 EST


Hello:

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

On Tue, 27 Jan 2026 12:59:10 +0100 you wrote:
> This fixes the verifier_bug_if() that runs on nospec_result to not trigger
> for BPF_CALL (bug reported by Hu, Mei, and Mu). See patch 1 for a full
> description and patch 2 for a test (based on the PoC from the report).
>
> While working on this I noticed two other problems:
>
> - nospec_result is currently ignored for BPF_CALL during patching, but it
> may be required if we assume the CPU may speculate into/out of functions.
>
> [...]

Here is the summary with links:
- [bpf-next,1/2] bpf: Fix verifier_bug_if to account for BPF_CALL
https://git.kernel.org/bpf/bpf-next/c/cd3b6a3d49f8
- [bpf-next,2/2] bpf: Test nospec after dead stack write in helper
https://git.kernel.org/bpf/bpf-next/c/60d2c438c1bb

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