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[192.26.29.3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a18ca51465sm209668285e9.4.2026.10.12.01.45.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2026 01:45:14 -0700 (PDT) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Mon, 12 Oct 2026 10:45:14 +0200 Message-Id: To: "Leon Hwang" , , "Alexei Starovoitov" Cc: , , , Subject: Re: [PATCH bpf-next 0/2] bpf: Reject BTF ids with the same address in tracing_multi link From: "Kumar Kartikeya Dwivedi" X-Mailer: aerc 0.21.0 References: <20261011164836.2233874-1-alexei.starovoitov@gmail.com> <179178300502.3203934.18259867735111186075.git-patchwork-notify@kernel.org> <6c732e69-0878-4bf8-80ec-47e40bbedc6f@gmail.com> In-Reply-To: <6c732e69-0878-4bf8-80ec-47e40bbedc6f@gmail.com> On Mon Oct 12, 2026 at 10:26 AM CEST, Leon Hwang wrote: > On 12/10/26 13:30, patchwork-bot+netdevbpf@kernel.org wrote: >> Hello: >> >> This series was applied to bpf/bpf-next.git (master) >> by Kumar Kartikeya Dwivedi : >> >> On Sun, 11 Oct 2026 16:48:34 +0000 you wrote: >>> From: Alexei Starovoitov >>> >>> tracing_multi link accepts different BTF ids that resolve to the same >>> address. The attach succeeds, the detach fails in ftrace and the kernel >>> crashes in freed trampoline images. >>> 'test_progs -t tracing_multi' hits it when the kernel is built with >>> CONFIG_DEBUG_INFO_BTF_INLINE. Without it the ids of aliased functions d= o >>> the same. >>> >>> [...] >> >> Here is the summary with links: >> - [bpf-next,1/2] bpf: Reject BTF ids with the same address in tracing_= multi link >> https://git.kernel.org/bpf/bpf-next/c/7211c18d7ee5 >> - [bpf-next,2/2] selftests/bpf: Test tracing_multi link with BTF ids o= f the same address >> https://git.kernel.org/bpf/bpf-next/c/60e84b9127f6 >> >> You are awesome, thank you! > > > Oops, the applied commits did not collect my Acked-by tags. > > Pls collect the Acked-by tags from Jiri and me. > Fixed and force pushed. > Thanks, > Leon