linux-kernel - Re: [PATCH bpf-next v3 0/2] bpf: Fix and test aux usage after do_check

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Message-Id: 
 <175190341018.3340086.4902525368986616519.git-patchwork-notify@kernel.org>
Date: Mon, 07 Jul 2025 15:50:10 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Luis Gerhorst <luis.gerhorst@....de>
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, mykolal@...com,
 shuah@...nel.org, memxor@...il.com, yepeilin@...gle.com, skb99@...ux.ibm.com,
 vmalik@...hat.com, isolodrai@...a.com, dxu@...uu.xyz, bpf@...r.kernel.org,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
 paul.chaignon@...il.com
Subject: Re: [PATCH bpf-next v3 0/2] bpf: Fix and test aux usage after
 do_check_insn()

Hello:

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

On Sat,  5 Jul 2025 21:09:06 +0200 you wrote:
> Fix cur_aux()->nospec_result test after do_check_insn() referring to the
> to-be-analyzed (potentially unsafe) instruction, not the
> already-analyzed (safe) instruction. This might allow a unsafe insn to
> slip through on a speculative path. Create some tests from the
> reproducer [1].
> 
> Commit d6f1c85f2253 ("bpf: Fall back to nospec for Spectre v1") should
> not be in any stable kernel yet, therefore bpf-next should suffice.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v3,1/2] bpf: Fix aux usage after do_check_insn()
    https://git.kernel.org/bpf/bpf-next/c/dadb59104c64
  - [bpf-next,v3,2/2] selftests/bpf: Add Spectre v4 tests
    https://git.kernel.org/bpf/bpf-next/c/92974cef83b5

You are awesome, thank you!
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