Commit 66e8a091 authored by Sebastian Brzezinka's avatar Sebastian Brzezinka Committed by Tomasz Zawadzki
Browse files

test/nvmf: add vfio-user fuzzing target 



Add test to per-patch/nightly CI pipeline job

Change-Id: I6e1f92158ccc549967234a9a4e78330f2ccb9c9e
Signed-off-by: default avatarSebastian Brzezinka <sebastian.brzezinka@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13818


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent ce57899f

autotest.sh

+5 −1
Original line number Diff line number Diff line
@@ -346,9 +346,13 @@ if [ $SPDK_RUN_FUNCTIONAL_TEST -eq 1 ]; then 
	if [[ $SPDK_TEST_FUZZER -eq 1 ]]; then

		# TODO: Consider re-using test/fuzz directory for all fuzzing tests with proper

		# structure, e.g.: test/fuzz/nvmf/*, test/fuzz/vfio/*, etc.

		if [[ $SPDK_TEST_VFIOUSER -eq 1 ]]; then

			run_test "nvmf_vfio_llvm_fuzz" test/nvmf/target/llvm_vfio_fuzz.sh

		else

			run_test "nvmf_llvm_fuzz" test/nvmf/target/llvm_nvme_fuzz.sh

		fi

	fi

fi



timing_enter cleanup

autotest_cleanup

test/nvmf/target/fuzz_vfio_json.conf

0 → 100644
+89 −0
Original line number Diff line number Diff line 
{

  "subsystems": [

    {

      "subsystem": "bdev",

      "config": [

        {

          "method": "bdev_malloc_create",

          "params": {

            "name": "Malloc0",

            "num_blocks": 131072,

            "block_size": 512,

            "uuid": "6d6a0bf0-b712-40a7-8730-8f45797cc355"

          }

        },

        {

          "method": "bdev_wait_for_examine"

        }

      ]

    },

    {

      "subsystem": "nvmf",

      "config": [

        {

          "method": "nvmf_set_config",

          "params": {

            "poll_groups_mask": "0x1",

            "admin_cmd_passthru": {

              "identify_ctrlr": false

            }

          }

        },

        {

          "method": "nvmf_create_transport",

          "params": {

            "trtype": "VFIOUSER",

            "max_queue_depth": 128,

            "max_io_qpairs_per_ctrlr": 127,

            "in_capsule_data_size": 4096,

            "max_io_size": 131072,

            "io_unit_size": 8192,

            "max_aq_depth": 128,

            "num_shared_buffers": 511,

            "buf_cache_size": 32,

            "dif_insert_or_strip": false,

            "c2h_success": false,

            "sock_priority": 0,

            "abort_timeout_sec": 1

          }

        },

        {

          "method": "nvmf_create_subsystem",

          "params": {

            "nqn": "nqn.2016-06.io.spdk:cnode1",

            "allow_any_host": true,

            "serial_number": "SPDK00000000000001",

            "model_number": "SPDK bdev Controller",

            "max_namespaces": 32,

            "min_cntlid": 1,

            "max_cntlid": 65519,

            "ana_reporting": false

          }

        },

        {

          "method": "nvmf_subsystem_add_ns",

          "params": {

            "nqn": "nqn.2016-06.io.spdk:cnode1",

            "namespace": {

              "nsid": 1,

              "bdev_name": "Malloc0",

              "nguid": "6D6A0BF0B71240A787308F45797CC355",

              "uuid": "6d6a0bf0-b712-40a7-8730-8f45797cc355"

            }

          }

        },

        {

          "method": "nvmf_subsystem_add_listener",

          "params": {

            "nqn": "nqn.2016-06.io.spdk:cnode1",

            "listen_address": {

              "trtype": "VFIOUSER",

              "traddr": "/tmp/vfio-user/domain/1",

              "trsvcid": "0"

            }

          }

        }

      ]

    }

  ]

}

test/nvmf/target/llvm_vfio_fuzz.sh

0 → 100755
+69 −0
Original line number Diff line number Diff line 
#!/usr/bin/env bash

if [[ $SPDK_TEST_FUZZER_SHORT -eq 0 ]]; then

	TIME=60000

else

	TIME=1

fi



for i in "$@"; do

	case "$i" in

		--time=*)

			TIME="${i#*=}"

			;;

	esac

done



VFIOUSER_DIR=/tmp/vfio-user/domain/1

mkdir -p $VFIOUSER_DIR



function start_llvm_fuzz() {

	local fuzzer_type=$1

	local corpus_dir

	corpus_dir=/tmp/llvm_fuzz$fuzzer_type

	mkdir -p $corpus_dir

	$rootdir/test/app/fuzz/llvm_vfio_fuzz/llvm_vfio_fuzz -m 0x1 -i 0 -F $VFIOUSER_DIR -c $testdir/fuzz_vfio_json.conf -t $TIME -D $corpus_dir -Z $fuzzer_type

}



function run_fuzz() {

	local startday

	local today

	local interval=0

	local weekloop

	# Get the date number, format is like '22078'

	# The purpose is when Jenkins schedule one fuzz in Saturday

	# We can decide which one fuzz will be run , there are lots of fuzz, but only run one of them in Saturday each time

	# and make sure all fuzz will be tested, so use this function. Such run fuzz 0 in 03/26, and run fuzz 1 in 04/02, run fuzz 2 in 04/09 ....

	startday=$(date -d '2022-03-19' '+%y%j')

	today=$(date '+%y%j')

	interval=$(((today - startday) / 7))

	weekloop=$((interval / fuzz_num))

	if [[ $weekloop -lt 1 ]]; then # The first loop of fuzz

		fuzzer_type=$interval

	else

		fuzzer_type=$((interval % fuzz_num))

	fi

	start_llvm_fuzz $fuzzer_type

}



testdir=$(readlink -f $(dirname $0))

rootdir=$(readlink -f $testdir/../../..)

source $rootdir/test/common/autotest_common.sh



fuzzfile=$rootdir/test/app/fuzz/llvm_vfio_fuzz/llvm_vfio_fuzz.c

fuzz_num=$(($(grep -c "fn =" $fuzzfile) - 1))

[[ $fuzz_num -ne 0 ]]



trap 'process_shm --id 0; rm -rf /tmp/llvm_fuzz* $VFIOUSER_DIR; exit 1' SIGINT SIGTERM EXIT



if [[ $SPDK_TEST_FUZZER_SHORT -eq 1 ]]; then

	for ((i = 0; i < fuzz_num; i++)); do

		start_llvm_fuzz $i

	done

elif [[ $SPDK_TEST_FUZZER -eq 1 ]]; then

	run_fuzz

else

	start_llvm_fuzz $1

fi



rm -rf /tmp/llvm_fuzz* $VFIOUSER_DIR

trap - SIGINT SIGTERM EXIT