From: Eduard Zingerman <eddyz87@gmail.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>, bpf@vger.kernel.org
Cc: kkd@meta.com, Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@kernel.org>,
Manu Bretelle <chantra@meta.com>,
kernel-team@fb.com
Subject: Re: [PATCH bpf v2 2/2] selftests/bpf: Add raw_tp tests for PTR_MAYBE_NULL marking
Date: Thu, 05 Dec 2024 16:08:38 -0800 [thread overview]
Message-ID: <0f4e3cecdab67174168a22883cdc6d6336bd329e.camel@gmail.com> (raw)
In-Reply-To: <20241205223152.2434683-3-memxor@gmail.com>
On Thu, 2024-12-05 at 14:31 -0800, Kumar Kartikeya Dwivedi wrote:
> Ensure that pointers with off != 0 are never unmarked as PTR_MAYBE_NULL
> when doing NULL checks, while pointers that have off == 0 continue
> getting unmarked, and also unmark associated copies with same id but
> possibly non-zero offset.
>
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
> ---
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
[...]
prev parent reply other threads:[~2024-12-06 0:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-05 22:31 [PATCH bpf v2 0/2] Fix for raw_tp PTR_MAYBE_NULL unmarking Kumar Kartikeya Dwivedi
2024-12-05 22:31 ` [PATCH bpf v2 1/2] bpf: Suppress warning for non-zero off raw_tp arg NULL check Kumar Kartikeya Dwivedi
2024-12-06 0:00 ` Eduard Zingerman
2024-12-05 22:31 ` [PATCH bpf v2 2/2] selftests/bpf: Add raw_tp tests for PTR_MAYBE_NULL marking Kumar Kartikeya Dwivedi
2024-12-06 0:08 ` Eduard Zingerman [this message]
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