Re: [PATCHv5 bpf-next 5/8] selftests/bpf: Add uretprobe syscall call from user space test

[Andrii Nakryiko]

On Tue, May 7, 2024 at 3:54 AM Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
>
> Adding test to verify that when called from outside of the
> trampoline provided by kernel, the uretprobe syscall will cause
> calling process to receive SIGILL signal and the attached bpf
> program is not executed.
>
> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> ---
>  .../selftests/bpf/prog_tests/uprobe_syscall.c | 95 +++++++++++++++++++
>  .../bpf/progs/uprobe_syscall_executed.c       | 17 ++++
>  2 files changed, 112 insertions(+)
>  create mode 100644 tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c
>

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>

> diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
> index 1a50cd35205d..3ef324c2db50 100644
> --- a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
> +++ b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
> @@ -7,7 +7,10 @@
>  #include <unistd.h>
>  #include <asm/ptrace.h>
>  #include <linux/compiler.h>
> +#include <linux/stringify.h>
> +#include <sys/wait.h>
>  #include "uprobe_syscall.skel.h"
> +#include "uprobe_syscall_executed.skel.h"
>

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