Re: [PATCH bpf-next 0/2] bpf: Reject BTF ids with the same address in tracing_multi link

["Kumar Kartikeya Dwivedi" <memxor@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 <memxor@gmail.com>:
>>
>> On Sun, 11 Oct 2026 16:48:34 +0000 you wrote:
>>> From: Alexei Starovoitov <ast@kernel.org>
>>>
>>> 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 do
>>> 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 of 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