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 [off-list ref]:

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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