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Message-ID: <202512162320.WFgo042e-lkp@intel.com>
Date: Tue, 16 Dec 2025 23:27:25 +0800
From: kernel test robot <lkp@...el.com>
To: Ryan Roberts <ryan.roberts@....com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Huacai Chen <chenhuacai@...nel.org>,
Madhavan Srinivasan <maddy@...ux.ibm.com>,
Michael Ellerman <mpe@...erman.id.au>,
Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Heiko Carstens <hca@...ux.ibm.com>,
Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Kees Cook <kees@...nel.org>,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
Arnd Bergmann <arnd@...db.de>, Mark Rutland <mark.rutland@....com>,
"Jason A. Donenfeld" <Jason@...c4.com>,
Ard Biesheuvel <ardb@...nel.org>,
Jeremy Linton <jeremy.linton@....com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Ryan Roberts <ryan.roberts@....com>, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, loongarch@...ts.linux.dev,
linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
linux-s390@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2 3/3] randomize_kstack: Unify random source across
arches
Hi Ryan,
kernel test robot noticed the following build errors:
[auto build test ERROR on tip/sched/core]
[also build test ERROR on akpm-mm/mm-everything linus/master v6.19-rc1 next-20251216]
[cannot apply to kees/for-next/hardening kees/for-next/execve]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Ryan-Roberts/prandom-Convert-prandom_u32_state-to-__always_inline/20251216-013546
base: tip/sched/core
patch link: https://lore.kernel.org/r/20251215163520.1144179-4-ryan.roberts%40arm.com
patch subject: [PATCH v2 3/3] randomize_kstack: Unify random source across arches
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20251216/202512162320.WFgo042e-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251216/202512162320.WFgo042e-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512162320.WFgo042e-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/x86/kvm/svm/svm.c:5509:1: error: redefinition of '__inittest'
5509 | module_init(svm_init)
| ^
include/linux/module.h:132:42: note: expanded from macro 'module_init'
132 | static inline initcall_t __maybe_unused __inittest(void) \
| ^
include/linux/randomize_kstack.h:86:1: note: previous definition is here
86 | late_initcall(random_kstack_init);
| ^
include/linux/module.h:125:28: note: expanded from macro 'late_initcall'
125 | #define late_initcall(fn) module_init(fn)
| ^
include/linux/module.h:132:42: note: expanded from macro 'module_init'
132 | static inline initcall_t __maybe_unused __inittest(void) \
| ^
>> arch/x86/kvm/svm/svm.c:5509:1: error: redefinition of 'init_module'
5509 | module_init(svm_init)
| ^
include/linux/module.h:134:6: note: expanded from macro 'module_init'
134 | int init_module(void) __copy(initfn) \
| ^
include/linux/randomize_kstack.h:86:1: note: previous definition is here
86 | late_initcall(random_kstack_init);
| ^
include/linux/module.h:125:28: note: expanded from macro 'late_initcall'
125 | #define late_initcall(fn) module_init(fn)
| ^
include/linux/module.h:134:6: note: expanded from macro 'module_init'
134 | int init_module(void) __copy(initfn) \
| ^
2 errors generated.
--
>> drivers/misc/sgi-xp/xpc_main.c:1285:1: error: redefinition of '__inittest'
1285 | module_init(xpc_init);
| ^
include/linux/module.h:132:42: note: expanded from macro 'module_init'
132 | static inline initcall_t __maybe_unused __inittest(void) \
| ^
include/linux/randomize_kstack.h:86:1: note: previous definition is here
86 | late_initcall(random_kstack_init);
| ^
include/linux/module.h:125:28: note: expanded from macro 'late_initcall'
125 | #define late_initcall(fn) module_init(fn)
| ^
include/linux/module.h:132:42: note: expanded from macro 'module_init'
132 | static inline initcall_t __maybe_unused __inittest(void) \
| ^
>> drivers/misc/sgi-xp/xpc_main.c:1285:1: error: redefinition of 'init_module'
1285 | module_init(xpc_init);
| ^
include/linux/module.h:134:6: note: expanded from macro 'module_init'
134 | int init_module(void) __copy(initfn) \
| ^
include/linux/randomize_kstack.h:86:1: note: previous definition is here
86 | late_initcall(random_kstack_init);
| ^
include/linux/module.h:125:28: note: expanded from macro 'late_initcall'
125 | #define late_initcall(fn) module_init(fn)
| ^
include/linux/module.h:134:6: note: expanded from macro 'module_init'
134 | int init_module(void) __copy(initfn) \
| ^
2 errors generated.
vim +/__inittest +5509 arch/x86/kvm/svm/svm.c
6aa8b732ca01c3d drivers/kvm/svm.c Avi Kivity 2006-12-10 5508
6aa8b732ca01c3d drivers/kvm/svm.c Avi Kivity 2006-12-10 @5509 module_init(svm_init)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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