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From:   Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date:   Fri, 20 May 2022 15:35:36 -0700
Message-ID: <CAADnVQLVoUMwuJa=dzCModQC1K9sqi2+w_AdSk+uK+ynkpdaQQ@mail.gmail.com>
Subject: Re: [PATCH bpf v4 0/3] Fix kprobe_multi interface issues for 5.18
To:     Eugene Syromiatnikov <esyr@redhat.com>
Cc:     Jiri Olsa <jolsa@kernel.org>,
        Masami Hiramatsu <mhiramat@kernel.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ingo Molnar <mingo@redhat.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@kernel.org>,
        Network Development <netdev@vger.kernel.org>,
        bpf <bpf@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Shuah Khan <shuah@kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>
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On Thu, May 19, 2022 at 11:14 AM Eugene Syromiatnikov <esyr@redhat.com> wrote:
>
> Hello.
>
> While [1] seems to require additional work[2] due to changes
> in the interface (and it has already been re-targeted for bpf-next),
> I would like to ask to consider the following three patches, that fix
> possible out-of-bounds write, properly disable the interface
> for 32-bit compat user space, and prepare the libbpf interface change,
> for the 5.18 release.  Thank you.

5.19 is imminent. All fixes should go into bpf-next and backported later.