linux-kernel - include/linux/build_bug.h:78:41: error: static assertion failed: "struct bpf_fib

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Date: Wed, 3 Apr 2024 13:33:44 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux Regressions <regressions@...ts.linux.dev>
Cc: Arnd Bergmann <arnd@...db.de>, Anders Roxell <anders.roxell@...aro.org>, 
	Dan Carpenter <dan.carpenter@...aro.org>, Anton Protopopov <aspsk@...valent.com>, 
	Daniel Borkmann <daniel@...earbox.net>, David Ahern <dsahern@...nel.org>, 
	Alexei Starovoitov <ast@...nel.org>, aleksander.lobakin@...el.com
Subject: include/linux/build_bug.h:78:41: error: static assertion failed:
 "struct bpf_fib_lookup size check"

The arm footbridge_defconfig failed with gcc-13 and gcc-8 on Linux next
starting from next-20240328..next-20240402.

arm:
  build:
    * gcc-8-footbridge_defconfig - Failed
    * gcc-13-footbridge_defconfig - Failed

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

In file included from include/linux/bitfield.h:10,
                 from arch/arm/include/asm/ptrace.h:13,
                 from arch/arm/include/asm/processor.h:14,
                 from include/linux/prefetch.h:15,
                 from arch/arm/include/asm/atomic.h:12,
                 from include/linux/atomic.h:7,
                 from net/core/filter.c:20:
include/linux/build_bug.h:78:41: error: static assertion failed:
"struct bpf_fib_lookup size check"
   78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
      |                                         ^~~~~~~~~~~~~~

Steps to reproduce:
------
# tuxmake --runtime podman --target-arch arm --toolchain gcc-13
--kconfig footbridge_defconfig

Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240402/testrun/23264362/suite/build/test/gcc-13-footbridge_defconfig/details/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2eWtBPKv1yM8gfZJC8GkEkxN2j8/

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