linux-kernel - Re: [PATCH bpf-next] uprobes: Harden uretprobe syscall trampoline check

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Message-ID: <20250210120710.GB32480@redhat.com>
Date: Mon, 10 Feb 2025 13:07:10 +0100
From: Oleg Nesterov <oleg@...hat.com>
To: Jiri Olsa <jolsa@...nel.org>
Cc: Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrii Nakryiko <andrii@...nel.org>, Kees Cook <kees@...nel.org>,
	Eyal Birger <eyal.birger@...il.com>, stable@...r.kernel.org,
	Jann Horn <jannh@...gle.com>, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	x86@...nel.org, bpf@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Andy Lutomirski <luto@...nel.org>,
	Deepak Gupta <debug@...osinc.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH bpf-next] uprobes: Harden uretprobe syscall trampoline
 check

On 02/09, Jiri Olsa wrote:
>
> [1] https://lore.kernel.org/bpf/202502081235.5A6F352985@keescook/T/#m9d416df341b8fbc11737dacbcd29f0054413cbbf
> Cc: Kees Cook <kees@...nel.org>
> Cc: Eyal Birger <eyal.birger@...il.com>
> Cc: stable@...r.kernel.org
> Reported-by: Jann Horn <jannh@...gle.com>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  arch/x86/kernel/uprobes.c | 14 +++++++++-----
>  1 file changed, 9 insertions(+), 5 deletions(-)

Reviewed-by: Oleg Nesterov <oleg@...hat.com>