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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAEf4Bzbb0on_GA3Gnzc09Yy-1H3hAZa+AQ9hyXgvd830cJZS4w@mail.gmail.com>
Date: Tue, 7 May 2024 09:57:37 -0700
From: Andrii Nakryiko <andrii.nakryiko@...il.com>
To: Jiri Olsa <jolsa@...nel.org>
Cc: Steven Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Oleg Nesterov <oleg@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
	Andrii Nakryiko <andrii@...nel.org>, linux-kernel@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, linux-api@...r.kernel.org, 
	linux-man@...r.kernel.org, x86@...nel.org, bpf@...r.kernel.org, 
	Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, 
	John Fastabend <john.fastabend@...il.com>, Peter Zijlstra <peterz@...radead.org>, 
	Thomas Gleixner <tglx@...utronix.de>, "Borislav Petkov (AMD)" <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>, 
	Andy Lutomirski <luto@...nel.org>, "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>, 
	Deepak Gupta <debug@...osinc.com>
Subject: Re: [PATCHv5 bpf-next 5/8] selftests/bpf: Add uretprobe syscall call
 from user space test

On Tue, May 7, 2024 at 3:54 AM Jiri Olsa <jolsa@...nel.org> 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@...nel.org>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  .../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@...nel.org>

> 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"
>

[...]