From: Eduard Zingerman <eddyz87@gmail.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net, martin.lau@linux.dev, kernel-team@fb.com,
yonghong.song@linux.dev
Subject: Re: [PATCH bpf-next v1 8/8] selftests/bpf: tests for __arg_untrusted void * global func params
Date: Fri, 04 Jul 2025 11:35:52 -0700 [thread overview]
Message-ID: <07995f23188af2e2de8568ad61fa74c9e95ed2f2.camel@gmail.com> (raw)
In-Reply-To: <CAP01T74bqqPCV8xYQCoVHGTWa=3m4H-xGNiQsiGbSjQyGEJ+Wg@mail.gmail.com>
On Fri, 2025-07-04 at 20:12 +0200, Kumar Kartikeya Dwivedi wrote:
> On Thu, 3 Jul 2025 at 00:44, Eduard Zingerman <eddyz87@gmail.com> wrote:
> >
> > Check usage of __arg_untrusted parameters of primitive type:
> > - passing of {trusted, untrusted, map value, scalar value, values with
> > variable offset} to untrusted `void *` or `char *` is ok;
> > - varifier represents such parameters as rdonly_untrusted_mem(sz=0).
> >
> > Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
> > ---
>
> LGTM, but can we also exercise BTF_KIND_ENUM{,64}? Since you
> explicitly handle both of them. I guess char * covers BTF_KIND_INT, so
> we don't need more cases (but up to you).
Sure, will add.
[...]
prev parent reply other threads:[~2025-07-04 18:35 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-02 22:42 [PATCH bpf-next v1 0/8] bpf: additional use-cases for untrusted PTR_TO_MEM Eduard Zingerman
2025-07-02 22:42 ` [PATCH bpf-next v1 1/8] bpf: make makr_btf_ld_reg return error for unexpected reg types Eduard Zingerman
2025-07-04 17:20 ` Kumar Kartikeya Dwivedi
2025-07-02 22:42 ` [PATCH bpf-next v1 2/8] bpf: rdonly_untrusted_mem for btf id walk pointer leafs Eduard Zingerman
2025-07-04 17:27 ` Kumar Kartikeya Dwivedi
2025-07-02 22:42 ` [PATCH bpf-next v1 3/8] selftests/bpf: ptr_to_btf_id struct walk ending with primitive pointer Eduard Zingerman
2025-07-04 17:34 ` Kumar Kartikeya Dwivedi
2025-07-02 22:42 ` [PATCH bpf-next v1 4/8] bpf: attribute __arg_untrusted for global function parameters Eduard Zingerman
2025-07-03 3:18 ` Alexei Starovoitov
2025-07-03 21:25 ` Eduard Zingerman
2025-07-04 18:17 ` Alexei Starovoitov
2025-07-04 18:03 ` Kumar Kartikeya Dwivedi
2025-07-04 18:28 ` Eduard Zingerman
2025-07-04 18:33 ` Eduard Zingerman
2025-07-04 18:50 ` Kumar Kartikeya Dwivedi
2025-07-04 19:07 ` Eduard Zingerman
2025-07-04 19:15 ` Kumar Kartikeya Dwivedi
2025-07-04 19:23 ` Eduard Zingerman
2025-07-04 20:05 ` Alexei Starovoitov
2025-07-04 20:20 ` Kumar Kartikeya Dwivedi
2025-07-04 20:34 ` Eduard Zingerman
2025-07-04 20:47 ` Alexei Starovoitov
2025-07-02 22:42 ` [PATCH bpf-next v1 5/8] libbpf: __arg_untrusted in bpf_helpers.h Eduard Zingerman
2025-07-04 18:04 ` Kumar Kartikeya Dwivedi
2025-07-02 22:42 ` [PATCH bpf-next v1 6/8] selftests/bpf: test cases for __arg_untrusted Eduard Zingerman
2025-07-04 18:05 ` Kumar Kartikeya Dwivedi
2025-07-02 22:42 ` [PATCH bpf-next v1 7/8] bpf: support for void/primitive __arg_untrusted global func params Eduard Zingerman
2025-07-03 3:20 ` Alexei Starovoitov
2025-07-03 21:49 ` Eduard Zingerman
2025-07-04 18:11 ` Alexei Starovoitov
2025-07-04 18:09 ` Kumar Kartikeya Dwivedi
2025-07-02 22:42 ` [PATCH bpf-next v1 8/8] selftests/bpf: tests for __arg_untrusted void * " Eduard Zingerman
2025-07-04 18:12 ` Kumar Kartikeya Dwivedi
2025-07-04 18:35 ` Eduard Zingerman [this message]
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