On Fri, 6 Mar 2026 at 09:35, Sun Jian <[email protected]> wrote:
>
> The test installs a kprobe on __sys_connect and checks that
> bpf_probe_write_user() can modify the syscall argument. However, any
> concurrent thread in any other test that calls connect() will also
> trigger the kprobe and have its sockaddr silently overwritten, causing
> flaky failures in unrelated tests.
>
> Constrain the hook to the current test process by filtering on a PID
> stored as a global variable in .bss. Initialize the .bss value from
> user space before bpf_object__load() using bpf_map__set_initial_value(),
> and validate the bss map value size to catch layout mismatches.
>
> No new map is introduced and the test keeps the existing non-skeleton
> flow.
>
> Signed-off-by: Sun Jian <[email protected]>
> ---

Acked-by: Kumar Kartikeya Dwivedi <[email protected]>

>
> [...]

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