linux-kernel - [lkp] [module] abb8329e2b: stderr.modprobe:ERROR:could_not_insert'tcrypt':Exec_format

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Date:	Tue, 16 Aug 2016 09:55:32 +0800
From:	kernel test robot <xiaolong.ye@...el.com>
To:	Andy Lutomirski <luto@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>, lkp@...org
Subject: [lkp] [module]  abb8329e2b:
 stderr.modprobe:ERROR:could_not_insert'tcrypt':Exec_format_error


FYI, we noticed the following commit:

https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git intree_module_hashes
commit abb8329e2bcefd5040cd0bef909a861d529376c2 ("module: Optionally memorize the hashes of all in-tree modules")

in testcase: tcrypt
with following parameters:

	period: 2s
	modes: 401-417
	cpufreq_governor: performance


on test machine: 8 threads Sandy Bridge with 8G memory

caused below changes:


user  :notice: [   26.693090] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=401
kern  :warn  : [   26.693153] tcrypt: no symbol version for module_layout
kern  :warn  : [   26.694517] tcrypt: no symbol version for module_layout
user  :notice: [   26.694992] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=402
kern  :warn  : [   26.696126] tcrypt: no symbol version for module_layout
user  :notice: [   26.696213] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=403
user  :err   : [   26.696485] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :err   : [   26.696787] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :err   : [   26.698076] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :notice: [   26.698848] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=404
kern  :warn  : [   26.698943] tcrypt: no symbol version for module_layout
user  :err   : [   26.699342] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.700242] tcrypt: no symbol version for module_layout
user  :err   : [   26.700848] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :notice: [   26.701217] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=405
kern  :warn  : [   26.701480] tcrypt: no symbol version for module_layout
user  :notice: [   26.701549] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=406
user  :notice: [   26.702619] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=407
kern  :warn  : [   26.702700] tcrypt: no symbol version for module_layout
user  :notice: [   26.703810] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=408
user  :err   : [   26.703839] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.703870] tcrypt: no symbol version for module_layout
user  :err   : [   26.704139] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :err   : [   26.704422] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.705129] tcrypt: no symbol version for module_layout
user  :err   : [   26.705495] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.706406] tcrypt: no symbol version for module_layout
user  :err   : [   26.706772] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.707688] tcrypt: no symbol version for module_layout
user  :err   : [   26.708094] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.709037] tcrypt: no symbol version for module_layout
user  :notice: [   26.709109] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=409
user  :notice: [   26.709372] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=410
user  :notice: [   26.709680] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=411
user  :notice: [   26.709944] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=412
user  :err   : [   26.711330] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :notice: [   26.712186] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=413
kern  :warn  : [   26.712277] tcrypt: no symbol version for module_layout
user  :err   : [   26.712665] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.713630] tcrypt: no symbol version for module_layout
user  :err   : [   26.714021] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :notice: [   26.714819] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=414
kern  :warn  : [   26.714940] tcrypt: no symbol version for module_layout
user  :err   : [   26.715327] modprobe: ERROR: could not insert 'tcrypt': Exec format error
kern  :warn  : [   26.716179] tcrypt: no symbol version for module_layout
user  :err   : [   26.716554] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :notice: [   26.717306] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=415
kern  :warn  : [   26.717432] tcrypt: no symbol version for module_layout
user  :err   : [   26.717795] modprobe: ERROR: could not insert 'tcrypt': Exec format error
user  :notice: [   26.718879] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=416
user  :notice: [   26.719622] 2016-08-06 06:08:31 /sbin/modprobe tcrypt sec=2 mode=417


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Xiaolong

View attachment "config-4.7.0-07073-gabb8329" of type "text/plain" (152263 bytes)

Download attachment "kmsg.xz" of type "application/octet-stream" (15508 bytes)

View attachment "job.yaml" of type "text/plain" (3676 bytes)

View attachment "reproduce" of type "text/plain" (1072 bytes)