linux-kernel - Re: [PATCHv4 bpf-next 0/6] uprobe,bpf: Allow to change app registers from uprobe registers

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Message-Id: 
 <175870741477.2114834.11872828252359824573.git-patchwork-notify@kernel.org>
Date: Wed, 24 Sep 2025 09:50:14 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jiri Olsa <jolsa@...nel.org>
Cc: oleg@...hat.com, mhiramat@...nel.org, peterz@...radead.org,
 andrii@...nel.org, bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, x86@...nel.org, songliubraving@...com,
 yhs@...com, john.fastabend@...il.com, haoluo@...gle.com, rostedt@...dmis.org,
 mingo@...nel.org
Subject: Re: [PATCHv4 bpf-next 0/6] uprobe,bpf: Allow to change app registers
 from
 uprobe registers

Hello:

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

On Tue, 16 Sep 2025 23:52:55 +0200 you wrote:
> hi,
> we recently had several requests for tetragon to be able to change
> user application function return value or divert its execution through
> instruction pointer change.
> 
> This patchset adds support for uprobe program to change app's registers
> including instruction pointer.
> 
> [...]

Here is the summary with links:
  - [PATCHv4,bpf-next,1/6] bpf: Allow uprobe program to change context registers
    https://git.kernel.org/bpf/bpf-next/c/7384893d970e
  - [PATCHv4,bpf-next,2/6] uprobe: Do not emulate/sstep original instruction when ip is changed
    https://git.kernel.org/bpf/bpf-next/c/4363264111e1
  - [PATCHv4,bpf-next,3/6] selftests/bpf: Add uprobe context registers changes test
    https://git.kernel.org/bpf/bpf-next/c/7f8a05c5d388
  - [PATCHv4,bpf-next,4/6] selftests/bpf: Add uprobe context ip register change test
    https://git.kernel.org/bpf/bpf-next/c/6a4ea0d1cb44
  - [PATCHv4,bpf-next,5/6] selftests/bpf: Add kprobe write ctx attach test
    https://git.kernel.org/bpf/bpf-next/c/1b881ee294b2
  - [PATCHv4,bpf-next,6/6] selftests/bpf: Add kprobe multi write ctx attach test
    https://git.kernel.org/bpf/bpf-next/c/3d237467a444

You are awesome, thank you!
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