Subject: Re: [REGRESSION] next/pending-fixes: (build) error: unknown warning option '-Wno-suggest-attribute=format'; did...

From: Ihor Solodrai <[email-masked]>
Date: Mon, 15 Dec 2025 18:07:20 -0800

On 12/15/25 5:37 PM, Alexei Starovoitov wrote:
> On Mon, Dec 15, 2025 at 5:32 PM Ihor Solodrai <[email-masked]> wrote:
>>
>> On 12/15/25 5:25 PM, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> On Mon, 15 Dec 2025 23:59:03 -0000 KernelCI bot <[email-masked]> wrote:
>>>>
>>>> Hello,
>>>>
>>>> New build issue found on next/pending-fixes:
>>>>
>>>> ---
>>>>  error: unknown warning option '-Wno-suggest-attribute=format'; did you mean '-Wno-property-attribute-mismatch'? [-Werror,-Wunknown-warning-option] in kernel/bpf/helpers.o (scripts/Makefile.build:287) [logspec:kbuild,kbuild.compiler.error]
>>>> ---
>>>>
>>>> - dashboard: https://d.kernelci.org/i/maestro:32e32983183c2c586f588a4a3a7cda83311d5be9
>>>> - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>>>> - commit HEAD:  326785a1dd4cea4065390fb99b0249781c9912bf
>>>>
>>>> [...]
>>>>
>>>
>>> Presumably caused by commit
>>>
>>>  ba34388912b5 ("bpf: Disable false positive -Wsuggest-attribute=format warning")
>>
>> Hi Stephen,
>>
>> A potential hotfix is here:
>> https://lore.kernel.org/bpf/[email-masked]/
>>
>> Needs acks/nacks.
> 
> I removed the offending patch from bpf tree.

Thanks. The CI is green now at bpf/master tip (1d528e794f3d):
https://github.com/kernel-patches/bpf/actions/runs/20253601894