linux-kernel - fs/jbd2/journal.o: warning: objtool: get_slab()+0x3c: unreachable instruction

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Message-ID: <202007101959.Pup2RAV5%lkp@intel.com>
Date:   Fri, 10 Jul 2020 19:28:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: fs/jbd2/journal.o: warning: objtool: get_slab()+0x3c: unreachable
 instruction

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   42f82040ee66db13525dc6f14b8559890b2f4c1c
commit: 0887a7ebc97770c7870abf3075a2e8cd502a7f52 ubsan: add trap instrumentation option
date:   3 months ago
config: x86_64-randconfig-m031-20200710 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0

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 >>):

>> fs/jbd2/journal.o: warning: objtool: get_slab()+0x3c: unreachable instruction
--
>> net/sunrpc/clnt.o: warning: objtool: call_allocate()+0x11d: unreachable instruction

---
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" (31901 bytes)