From: Mirsad Todorovac <mtodorovac69@gmail.com>
To: Kees Cook <kees@kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Kernel Build System <linux-kbuild@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Waiman Long <longman@redhat.com>,
Boqun Feng <boqun.feng@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Andy Shevchenko <andy@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
Song Liu <song@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Zhen Lei <thunder.leizhen@huawei.com>,
Ard Biesheuvel <ardb@kernel.org>, Xin Li <xin3.li@intel.com>,
Michael Roth <michael.roth@amd.com>,
linux-mm@kvack.org, linux-hardening@vger.kernel.org
Subject: Re: [PROBLEM] randconfig: ./include/linux/fortify-string.h:122:33: error: ‘__builtin_strcpy’ source argument is the same as destination [-Werror=restrict]
Date: Thu, 27 Jun 2024 22:28:26 +0200 [thread overview]
Message-ID: <e7564dbf-cd3a-4e41-8986-03510c7e42bd@gmail.com> (raw)
In-Reply-To: <202406271127.CEAE5F4E@keescook>
On 6/27/24 20:27, Kees Cook wrote:
> On Thu, Jun 27, 2024 at 08:25:01PM +0200, Mirsad Todorovac wrote:
>> Hi all,
>>
>> I hope it will catch your attention, for I couldn't sort out what is wrong with this:
>>
>> KCONFIG_SEED=0xD859674
>>
>> on vanilla torvalds tree, commit v6.10-rc4-366-gafcd48134c58
>>
>> _______________________________________________________________
>> $ time nice make -j 36 bindeb-pkg |& tee ../err-6.10-rc5-08.log; date
>> GEN debian
>> dpkg-buildpackage --build=binary --no-pre-clean --unsigned-changes -R'make -f debian/rules' -j1 -a$(cat debian/arch)
>> dpkg-buildpackage: info: source package linux-upstream
>> dpkg-buildpackage: info: source version 6.10.0-rc5-gafcd48134c58-34
>> dpkg-buildpackage: info: source distribution jammy
>> dpkg-buildpackage: info: source changed by marvin <marvin@defiant>
>> dpkg-architecture: warning: specified GNU system type i686-linux-gnu does not match CC system type x86_64-linux-gnu, try setting a correct CC environment variable
>> dpkg-source --before-build .
>> dpkg-buildpackage: info: host architecture i386
>> make -f debian/rules binary
>> #
>> # No change to .config
>> #
>> CALL scripts/checksyscalls.sh
>> UPD init/utsversion-tmp.h
>> CC init/version.o
>> AR init/built-in.a
>> CC kernel/kallsyms.o
>> In file included from ./include/linux/string.h:374,
>> from ./arch/x86/include/asm/page_32.h:18,
>> from ./arch/x86/include/asm/page.h:14,
>> from ./arch/x86/include/asm/thread_info.h:12,
>> from ./include/linux/thread_info.h:60,
>> from ./include/linux/spinlock.h:60,
>> from ./include/linux/mmzone.h:8,
>> from ./include/linux/gfp.h:7,
>> from ./include/linux/mm.h:7,
>> from ./include/linux/kallsyms.h:13,
>> from kernel/kallsyms.c:15:
>> kernel/kallsyms.c: In function ‘__sprint_symbol’:
>> ./include/linux/fortify-string.h:122:33: error: ‘__builtin_strcpy’ source argument is the same as destination [-Werror=restrict]
>> 122 | #define __underlying_strcpy __builtin_strcpy
>> | ^
>> ./include/linux/fortify-string.h:787:24: note: in expansion of macro ‘__underlying_strcpy’
>> 787 | return __underlying_strcpy(p, q);
>> | ^~~~~~~~~~~~~~~~~~~
>> cc1: all warnings being treated as errors
>> make[6]: *** [scripts/Makefile.build:244: kernel/kallsyms.o] Error 1
>> make[5]: *** [scripts/Makefile.build:485: kernel] Error 2
>> make[4]: *** [Makefile:1934: .] Error 2
>> make[3]: *** [debian/rules:74: build-arch] Error 2
>> dpkg-buildpackage: error: make -f debian/rules binary subprocess returned exit status 2
>> make[2]: *** [scripts/Makefile.package:121: bindeb-pkg] Error 2
>> make[1]: *** [/home/marvin/linux/kernel/linux_torvalds/Makefile:1555: bindeb-pkg] Error 2
>> make: *** [Makefile:240: __sub-make] Error 2
>
> Does this patch solve the problem for you?
>
> https://lore.kernel.org/lkml/20240604044228.2910712-1-liujinlong@kylinos.cn/
Thanks, it does.
Tested-by: Mirsad Todorovac <mtodorovac69@gmail.com>
Best regards,
Mirsad Todorovac
> -Kees
>
prev parent reply other threads:[~2024-06-27 20:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-27 18:25 [PROBLEM] randconfig: ./include/linux/fortify-string.h:122:33: error: ‘__builtin_strcpy’ source argument is the same as destination [-Werror=restrict] Mirsad Todorovac
2024-06-27 18:27 ` Kees Cook
2024-06-27 20:28 ` Mirsad Todorovac [this message]
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