Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: c804af2c1d3152c0cf877eeb50d60c2d49ac0cf0 ("IB/srpt: use new shared CQ mechanism")
https://git.kernel.org/cgit/linux/kernel/git/rdma/rdma.git for-next


in testcase: blktests
with following parameters:

	test: srp-group1
	ucode: 0x21



on test machine: 4 threads Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with 4G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <redacted>


user  :notice: [   44.688140] 2020-08-01 16:10:22 ./check srp/001 srp/002 srp/003 srp/004 srp/005 srp/006 srp/007 srp/008 srp/009 srp/010 srp/011 srp/012 srp/013 srp/015
user  :notice: [   44.706657] srp/001 (Create and remove LUNs)                            
user  :notice: [   44.718405] srp/001 (Create and remove LUNs)                             [passed]
user  :notice: [   44.729902]     runtime  ...  1.972s
user  :notice: [   99.038748] IPMI BMC is not supported on this machine, skip bmc-watchdog setup!
user  :notice: [ 3699.039790] Sat Aug  1 17:11:22 UTC 2020 detected soft_timeout
user  :notice: [ 3699.060341] kill 960 /usr/bin/time -v -o /tmp/lkp/blktests.time /lkp/lkp/src/tests/blktests 


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen