linux-kernel - Re: [PATCH 5.10 000/563] 5.10.94-rc1 review

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Date:   Tue, 25 Jan 2022 12:24:13 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com,
        sudipm.mukherjee@...il.com, stable@...r.kernel.org,
        Daniel Díaz <daniel.diaz@...aro.org>,
        Russell King <russell.king@...cle.com>,
        Alan Maguire <alan.maguire@...cle.com>
Subject: Re: [PATCH 5.10 000/563] 5.10.94-rc1 review

On Tue, 25 Jan 2022 at 04:30, Daniel Díaz <daniel.diaz@...aro.org> wrote:
>
> Hello!
>
> On 1/24/22 12:36, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.10.94 release.
> > There are 563 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Wed, 26 Jan 2022 18:39:11 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> >       https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.94-rc1.gz
> > or in the git tree and branch at:
> >       git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>

Regressions detected on arm, arm64, i386, x86 on 5.10 and 5.15.


> This is from arm64:
>    /builds/linux/arch/arm64/mm/extable.c: In function 'fixup_exception':
>    /builds/linux/arch/arm64/mm/extable.c:17:13: error: implicit declaration of function 'in_bpf_jit' [-Werror=implicit-function-declaration]
>       17 |         if (in_bpf_jit(regs))
>          |             ^~~~~~~~~~
>    cc1: some warnings being treated as errors
>    make[3]: *** [/builds/linux/scripts/Makefile.build:280: arch/arm64/mm/extable.o] Error 1
>
> And from Perf on arm, arm64, i386, x86:
>    libbpf.c: In function 'bpf_object__elf_collect':
>    libbpf.c:2873:31: error: invalid type argument of '->' (have 'GElf_Shdr' {aka 'Elf64_Shdr'})
>     2873 |                         if (sh->sh_type != SHT_PROGBITS)
>          |                               ^~
>    libbpf.c:2877:31: error: invalid type argument of '->' (have 'GElf_Shdr' {aka 'Elf64_Shdr'})
>     2877 |                         if (sh->sh_type != SHT_PROGBITS)
>          |                               ^~
>    make[4]: *** [/builds/linux/tools/build/Makefile.build:97: /home/tuxbuild/.cache/tuxmake/builds/current/staticobjs/libbpf.o] Error 1

Due to this patch,
arm64/bpf: Remove 128MB limit for BPF JIT programs
commit b89ddf4cca43f1269093942cf5c4e457fd45c335 upstream.

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

--
Linaro LKFT
https://lkft.linaro.org