linux-kernel - Re: [PATCH 09/10] drivers/auxdisplay: add a KFuzzTest for parse

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Message-ID: <202512080828.Gxjg6av3-lkp@intel.com>
Date: Mon, 8 Dec 2025 08:58:22 +0800
From: kernel test robot <lkp@...el.com>
To: Ethan Graham <ethan.w.s.graham@...il.com>, glider@...gle.com
Cc: oe-kbuild-all@...ts.linux.dev, andreyknvl@...il.com, andy@...nel.org,
	andy.shevchenko@...il.com, brauner@...nel.org,
	brendan.higgins@...ux.dev, davem@...emloft.net, davidgow@...gle.com,
	dhowells@...hat.com, dvyukov@...gle.com, elver@...gle.com,
	herbert@...dor.apana.org.au, ignat@...udflare.com, jack@...e.cz,
	jannh@...gle.com, johannes@...solutions.net,
	kasan-dev@...glegroups.com, kees@...nel.org,
	kunit-dev@...glegroups.com, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, lukas@...ner.de,
	rmoar@...gle.com, shuah@...nel.org, sj@...nel.org,
	tarasmadan@...gle.com, Ethan Graham <ethangraham@...gle.com>
Subject: Re: [PATCH 09/10] drivers/auxdisplay: add a KFuzzTest for parse_xy()

Hi Ethan,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-nonmm-unstable]
[also build test ERROR on herbert-cryptodev-2.6/master herbert-crypto-2.6/master linus/master v6.18]
[cannot apply to next-20251205]
[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/Ethan-Graham/mm-kasan-implement-kasan_poison_range/20251204-222307
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
patch link:    https://lore.kernel.org/r/20251204141250.21114-10-ethan.w.s.graham%40gmail.com
patch subject: [PATCH 09/10] drivers/auxdisplay: add a KFuzzTest for parse_xy()
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20251208/202512080828.Gxjg6av3-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251208/202512080828.Gxjg6av3-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/202512080828.Gxjg6av3-lkp@intel.com/

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

>> ERROR: modpost: "kfuzztest_write_cb_common" [drivers/auxdisplay/charlcd.ko] undefined!
>> ERROR: modpost: "kfuzztest_parse_and_relocate" [drivers/auxdisplay/charlcd.ko] undefined!
>> ERROR: modpost: "record_invocation" [drivers/auxdisplay/charlcd.ko] undefined!

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