linux-kernel - WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x849 (section: .text.__apply_fineibt) -> poison

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Message-ID: <202412201614.F1kJs3gM-lkp@intel.com>
Date: Fri, 20 Dec 2024 16:42:09 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
	Sami Tolvanen <samitolvanen@...gle.com>
Subject: WARNING: modpost: vmlinux: section mismatch in reference:
 __apply_fineibt+0x849 (section: .text.__apply_fineibt) -> poison_endbr
 (section: .init.text)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8faabc041a001140564f718dabe37753e88b37fa
commit: 04505bbbbb15da950ea0239e328a76a3ad2376e0 x86/fineibt: Poison ENDBR at +0
date:   1 year, 5 months ago
config: x86_64-buildonly-randconfig-003-20241219 (https://download.01.org/0day-ci/archive/20241220/202412201614.F1kJs3gM-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241220/202412201614.F1kJs3gM-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/202412201614.F1kJs3gM-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x200 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x383 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x4fc (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x5d2 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x623 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x6f0 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x749 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x813 (section: .text.__apply_fineibt) -> text_poke_early (section: .init.text)
>> WARNING: modpost: vmlinux: section mismatch in reference: __apply_fineibt+0x849 (section: .text.__apply_fineibt) -> poison_endbr (section: .init.text)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki