linux-kernel - vmlinux.o: warning: objtool: elf_update: invalid section entry size

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Message-ID: <202108312128.mwurKx7a-lkp@intel.com>
Date:   Tue, 31 Aug 2021 21:03:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Herbert Xu <herbert@...dor.apana.org.au>
Subject: vmlinux.o: warning: objtool: elf_update: invalid section entry size

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c
commit: 5b2efa2bb865eb784e06987c7ce98c3c835b495b crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation
date:   4 days ago
config: x86_64-buildonly-randconfig-r001-20210831 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5b2efa2bb865eb784e06987c7ce98c3c835b495b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5b2efa2bb865eb784e06987c7ce98c3c835b495b
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: look_up_lock_class.isra.0()+0x42: call to rcu_read_lock_any_held() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __context_tracking_exit()+0x2e: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __context_tracking_enter()+0x52: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: elf_update: invalid section entry size

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (37946 bytes)