linux-kernel - Re: [PATCH v2 2/5] crash_dump: save the dm crypt key temporarily

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Date: Sun, 14 Jan 2024 01:50:23 +0800
From: kernel test robot <lkp@...el.com>
To: Coiby Xu <coxu@...hat.com>, kexec@...ts.infradead.org
Cc: oe-kbuild-all@...ts.linux.dev, Ondrej Kozina <okozina@...hat.com>,
	Milan Broz <gmazyland@...il.com>,
	Thomas Staudt <tstaudt@...ibm.com>,
	Daniel P . Berrangé <berrange@...hat.com>,
	Kairui Song <ryncsn@...il.com>, dm-devel@...hat.com,
	Jan Pazdziora <jpazdziora@...hat.com>,
	Pingfan Liu <kernelfans@...il.com>, Baoquan He <bhe@...hat.com>,
	Dave Young <dyoung@...hat.com>, linux-kernel@...r.kernel.org,
	x86@...nel.org, Dave Hansen <dave.hansen@...el.com>,
	Vitaly Kuznetsov <vkuznets@...hat.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Eric Biederman <ebiederm@...ssion.com>
Subject: Re: [PATCH v2 2/5] crash_dump: save the dm crypt key temporarily

Hi Coiby,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v6.7]
[cannot apply to linus/master next-20240112]
[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/Coiby-Xu/kexec_file-allow-to-place-kexec_buf-randomly/20240110-151859
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20240110071522.1308935-3-coxu%40redhat.com
patch subject: [PATCH v2 2/5] crash_dump: save the dm crypt key temporarily
config: i386-buildonly-randconfig-002-20240113 (https://download.01.org/0day-ci/archive/20240114/202401140128.MBysmTaN-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240114/202401140128.MBysmTaN-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/202401140128.MBysmTaN-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: kernel/ksysfs.o: in function `crash_dm_crypt_key_store':
>> ksysfs.c:(.text+0x2d0): undefined reference to `crash_sysfs_dm_crypt_key_write'

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