linux-kernel - next-20251020: selftests: helpers.h:10:10: fatal error: kselftest.h: No such file or directory

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <CA+G9fYvKjQcCBMfXA-z2YuL2L+3Qd-pJjEUDX8PDdz2-EEQd=Q@mail.gmail.com>
Date: Tue, 21 Oct 2025 16:38:55 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: X86 ML <x86@...nel.org>, 
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, 
	lkft-triage@...ts.linaro.org, Linux Regressions <regressions@...ts.linux.dev>
Cc: Shuah Khan <shuah@...nel.org>, Mark Brown <broonie@...nel.org>, 
	"BALAVIGNESH #" <reddybalavignesh9979@...il.com>, Wei Yang <richard.weiyang@...il.com>, 
	Suren Baghdasaryan <surenb@...gle.com>, Arnd Bergmann <arnd@...db.de>, 
	Dan Carpenter <dan.carpenter@...aro.org>, "H. Peter Anvin" <hpa@...or.com>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Borislav Petkov <bp@...en8.de>, 
	Ingo Molnar <mingo@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Anders Roxell <anders.roxell@...aro.org>, Ben Copeland <benjamin.copeland@...aro.org>
Subject: next-20251020: selftests: helpers.h:10:10: fatal error: kselftest.h:
 No such file or directory

The selftests x86_64 builds failed due to following build warnings / errors
on the Linux next-20251020 and next-20251021 tags with gcc-14 and clang-21.

First seen on next-20251020
Good: next-20251020
Bad: next-20251017

Regression Analysis:
- New regression? yes
- Reproducibility? yes

### Build errors
x86_64-linux-gnu-gcc -m64 -o kselftest/x86/single_step_syscall_64 -O2
-g -std=gnu99 -pthread -Wall -isystem usr/include -no-pie
-DCAN_BUILD_64 single_step_syscall.c  -lrt -ldl
In file included from single_step_syscall.c:34:
helpers.h:10:10: fatal error: kselftest.h: No such file or directory
   10 | #include "kselftest.h"
      |          ^~~~~~~~~~~~~
compilation terminated.
make[4]: *** [Makefile:86: kselftest/x86/single_step_syscall_64] Error 1

### Suspected patch
  git log --oneline   next-20251017..next-20251020  --
tools/testing/selftests/x86/
  4d89827dfb274 selftests: complete kselftest include centralization

Build regressions: next-20251020: selftests: helpers.h:10:10: fatal
error: kselftest.h: No such file or directory

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

### Steps to reproduce
  - tuxmake --runtime podman --target-arch x86_64 --toolchain gcc-14 \
     --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/34JgN0fZ9uXj6HVnjvjqzIhgWbQ/config
\
     debugkernel cpupower headers kernel kselftest modules

## Source
* Kernel version: 6.18.0-rc2
* Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
* Git describe: next-20251021 and next-20251020
* Git commit: fe45352cd106ae41b5ad3f0066c2e54dbb2dfd70
* Architectures: x86_64
* Toolchains: gcc-14 and clang-21
* Kconfigs: defconfig+selftests/*/configs

## Build
* Build log: https://storage.tuxsuite.com/public/linaro/lkft/builds/34JgN0fZ9uXj6HVnjvjqzIhgWbQ/build.log
* Build details:
https://regressions.linaro.org/lkft/linux-next-master/next-20251020/kselftest-x86/x86_avx_64/
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/34JgN0fZ9uXj6HVnjvjqzIhgWbQ/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/34JgN0fZ9uXj6HVnjvjqzIhgWbQ/config

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