linux-kernel - clang-17: selftests: exec/load_address_4096 clang: error: argument unused during compilation: '-pie' [-Werror,-Wunused-command-line-argument]

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]

Date:   Mon, 21 Aug 2023 19:24:49 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     clang-built-linux <llvm@...ts.linux.dev>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Shuah Khan <shuah@...nel.org>,
        Anders Roxell <anders.roxell@...aro.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: clang-17: selftests: exec/load_address_4096 clang: error: argument
 unused during compilation: '-pie' [-Werror,-Wunused-command-line-argument]

Recently we have updated the toolchain clang-17 version.

While building selftests exec following warnings / errors noticed on the
Linux next with clang-17. But pass with gcc-13.

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

exec/load_address_4096
clang: error: argument unused during compilation: '-pie'
[-Werror,-Wunused-command-line-argument]


Links:
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230821/testrun/19213758/suite/kselftest-exec/test/shardfile-exec/details/

Steps to reproduce:
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/tuxmake_reproducer.sh

tuxmake --runtime podman --target-arch x86_64 --toolchain clang-17
--kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/config
LLVM=1 LLVM_IAS=1 debugkernel cpupower headers kernel kselftest
modules


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