diff options
Diffstat (limited to 'tools/testing')
30 files changed, 897 insertions, 34 deletions
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 0464b2c6c1e4..f07aef7c592c 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -49,6 +49,7 @@ TARGETS += net TARGETS += net/af_unix TARGETS += net/forwarding TARGETS += net/mptcp +TARGETS += net/openvswitch TARGETS += netfilter TARGETS += nsfs TARGETS += pidfd diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c index 127b8caa3dc1..24dd6214394e 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf.c +++ b/tools/testing/selftests/bpf/prog_tests/btf.c @@ -3936,6 +3936,19 @@ static struct btf_raw_test raw_tests[] = { .err_str = "Invalid type_id", }, { + .descr = "decl_tag test #16, func proto, return type", + .raw_types = { + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ + BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */ + BTF_FUNC_PROTO_ENC(3, 0), /* [4] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0local\0tag1"), + .btf_load_err = true, + .err_str = "Invalid return type", +}, +{ .descr = "type_tag test #1", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ diff --git a/tools/testing/selftests/bpf/progs/user_ringbuf_success.c b/tools/testing/selftests/bpf/progs/user_ringbuf_success.c index 099c23d9aa21..b39093dd5715 100644 --- a/tools/testing/selftests/bpf/progs/user_ringbuf_success.c +++ b/tools/testing/selftests/bpf/progs/user_ringbuf_success.c @@ -47,14 +47,14 @@ record_sample(struct bpf_dynptr *dynptr, void *context) if (status) { bpf_printk("bpf_dynptr_read() failed: %d\n", status); err = 1; - return 0; + return 1; } } else { sample = bpf_dynptr_data(dynptr, 0, sizeof(*sample)); if (!sample) { bpf_printk("Unexpectedly failed to get sample\n"); err = 2; - return 0; + return 1; } stack_sample = *sample; } diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile index e9dab5f9d773..6b8d2e2f23c2 100644 --- a/tools/testing/selftests/drivers/net/bonding/Makefile +++ b/tools/testing/selftests/drivers/net/bonding/Makefile @@ -7,6 +7,8 @@ TEST_PROGS := \ bond-lladdr-target.sh \ dev_addr_lists.sh -TEST_FILES := lag_lib.sh +TEST_FILES := \ + lag_lib.sh \ + net_forwarding_lib.sh include ../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh b/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh index e6fa24eded5b..5cfe7d8ebc25 100755 --- a/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh +++ b/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh @@ -14,7 +14,7 @@ ALL_TESTS=" REQUIRE_MZ=no NUM_NETIFS=0 lib_dir=$(dirname "$0") -source "$lib_dir"/../../../net/forwarding/lib.sh +source "$lib_dir"/net_forwarding_lib.sh source "$lib_dir"/lag_lib.sh diff --git a/tools/testing/selftests/drivers/net/bonding/net_forwarding_lib.sh b/tools/testing/selftests/drivers/net/bonding/net_forwarding_lib.sh new file mode 120000 index 000000000000..39c96828c5ef --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/net_forwarding_lib.sh @@ -0,0 +1 @@ +../../../net/forwarding/lib.sh
\ No newline at end of file diff --git a/tools/testing/selftests/drivers/net/dsa/test_bridge_fdb_stress.sh b/tools/testing/selftests/drivers/net/dsa/test_bridge_fdb_stress.sh index dca8be6092b9..a1f269ee84da 100755 --- a/tools/testing/selftests/drivers/net/dsa/test_bridge_fdb_stress.sh +++ b/tools/testing/selftests/drivers/net/dsa/test_bridge_fdb_stress.sh @@ -18,8 +18,8 @@ NUM_NETIFS=1 REQUIRE_JQ="no" REQUIRE_MZ="no" NETIF_CREATE="no" -lib_dir=$(dirname $0)/../../../net/forwarding -source $lib_dir/lib.sh +lib_dir=$(dirname "$0") +source "$lib_dir"/lib.sh cleanup() { echo "Cleaning up" diff --git a/tools/testing/selftests/drivers/net/team/Makefile b/tools/testing/selftests/drivers/net/team/Makefile index 642d8df1c137..6a86e61e8bfe 100644 --- a/tools/testing/selftests/drivers/net/team/Makefile +++ b/tools/testing/selftests/drivers/net/team/Makefile @@ -3,4 +3,8 @@ TEST_PROGS := dev_addr_lists.sh +TEST_FILES := \ + lag_lib.sh \ + net_forwarding_lib.sh + include ../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh b/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh index debda7262956..33913112d5ca 100755 --- a/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh +++ b/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh @@ -11,14 +11,14 @@ ALL_TESTS=" REQUIRE_MZ=no NUM_NETIFS=0 lib_dir=$(dirname "$0") -source "$lib_dir"/../../../net/forwarding/lib.sh +source "$lib_dir"/net_forwarding_lib.sh -source "$lib_dir"/../bonding/lag_lib.sh +source "$lib_dir"/lag_lib.sh destroy() { - local ifnames=(dummy0 dummy1 team0 mv0) + local ifnames=(dummy1 dummy2 team0 mv0) local ifname for ifname in "${ifnames[@]}"; do diff --git a/tools/testing/selftests/drivers/net/team/lag_lib.sh b/tools/testing/selftests/drivers/net/team/lag_lib.sh new file mode 120000 index 000000000000..e1347a10afde --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/lag_lib.sh @@ -0,0 +1 @@ +../bonding/lag_lib.sh
\ No newline at end of file diff --git a/tools/testing/selftests/drivers/net/team/net_forwarding_lib.sh b/tools/testing/selftests/drivers/net/team/net_forwarding_lib.sh new file mode 120000 index 000000000000..39c96828c5ef --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/net_forwarding_lib.sh @@ -0,0 +1 @@ +../../../net/forwarding/lib.sh
\ No newline at end of file diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc index db522577ff78..d3a79da215c8 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc @@ -1,7 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - check if duplicate events are caught -# requires: dynamic_events "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README +# requires: dynamic_events "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README echo 0 > events/enable diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc index 914fe2e5d030..6461c375694f 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc @@ -1,7 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger eprobe on synthetic event -# requires: dynamic_events synthetic_events events/syscalls/sys_enter_openat/hist "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README +# requires: dynamic_events synthetic_events events/syscalls/sys_enter_openat/hist "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README echo 0 > events/enable diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile index 732149011692..5a0e0df8de9b 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -3,11 +3,11 @@ INCLUDES := -I../include -I../../ -I../../../../../usr/include/ CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES) $(KHDR_INCLUDES) LDLIBS := -lpthread -lrt -HEADERS := \ +LOCAL_HDRS := \ ../include/futextest.h \ ../include/atomic.h \ ../include/logging.h -TEST_GEN_FILES := \ +TEST_GEN_PROGS := \ futex_wait_timeout \ futex_wait_wouldblock \ futex_requeue_pi \ @@ -24,5 +24,3 @@ TEST_PROGS := run.sh top_srcdir = ../../../../.. DEFAULT_INSTALL_HDR_PATH := 1 include ../../lib.mk - -$(TEST_GEN_FILES): $(HEADERS) diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/selftests/intel_pstate/Makefile index 39f0fa2a8fd6..05d66ef50c97 100644 --- a/tools/testing/selftests/intel_pstate/Makefile +++ b/tools/testing/selftests/intel_pstate/Makefile @@ -2,10 +2,10 @@ CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE LDLIBS += -lm -uname_M := $(shell uname -m 2>/dev/null || echo not) -ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/) +ARCH ?= $(shell uname -m 2>/dev/null || echo not) +ARCH_PROCESSED := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/) -ifeq (x86,$(ARCH)) +ifeq (x86,$(ARCH_PROCESSED)) TEST_GEN_FILES := msr aperf endif diff --git a/tools/testing/selftests/kexec/Makefile b/tools/testing/selftests/kexec/Makefile index 806a150648c3..67fe7a46cb62 100644 --- a/tools/testing/selftests/kexec/Makefile +++ b/tools/testing/selftests/kexec/Makefile @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only # Makefile for kexec tests -uname_M := $(shell uname -m 2>/dev/null || echo not) -ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/) +ARCH ?= $(shell uname -m 2>/dev/null || echo not) +ARCH_PROCESSED := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/) -ifeq ($(ARCH),$(filter $(ARCH),x86 ppc64le)) +ifeq ($(ARCH_PROCESSED),$(filter $(ARCH_PROCESSED),x86 ppc64le)) TEST_PROGS := test_kexec_load.sh test_kexec_file_load.sh TEST_FILES := kexec_common_lib.sh diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c index e05ecb31823f..9c131d977a1b 100644 --- a/tools/testing/selftests/kvm/aarch64/vgic_init.c +++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c @@ -662,8 +662,8 @@ int test_kvm_device(uint32_t gic_dev_type) : KVM_DEV_TYPE_ARM_VGIC_V2; if (!__kvm_test_create_device(v.vm, other)) { - ret = __kvm_test_create_device(v.vm, other); - TEST_ASSERT(ret && (errno == EINVAL || errno == EEXIST), + ret = __kvm_create_device(v.vm, other); + TEST_ASSERT(ret < 0 && (errno == EINVAL || errno == EEXIST), "create GIC device while other version exists"); } diff --git a/tools/testing/selftests/kvm/memslot_modification_stress_test.c b/tools/testing/selftests/kvm/memslot_modification_stress_test.c index 6ee7e1dde404..bb1d17a1171b 100644 --- a/tools/testing/selftests/kvm/memslot_modification_stress_test.c +++ b/tools/testing/selftests/kvm/memslot_modification_stress_test.c @@ -67,7 +67,7 @@ struct memslot_antagonist_args { static void add_remove_memslot(struct kvm_vm *vm, useconds_t delay, uint64_t nr_modifications) { - const uint64_t pages = 1; + uint64_t pages = max_t(int, vm->page_size, getpagesize()) / vm->page_size; uint64_t gpa; int i; diff --git a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c index 8a5cb800f50e..2a5727188c8d 100644 --- a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c +++ b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c @@ -15,9 +15,13 @@ #include <time.h> #include <sched.h> #include <signal.h> +#include <pthread.h> #include <sys/eventfd.h> +/* Defined in include/linux/kvm_types.h */ +#define GPA_INVALID (~(ulong)0) + #define SHINFO_REGION_GVA 0xc0000000ULL #define SHINFO_REGION_GPA 0xc0000000ULL #define SHINFO_REGION_SLOT 10 @@ -44,6 +48,8 @@ #define MIN_STEAL_TIME 50000 +#define SHINFO_RACE_TIMEOUT 2 /* seconds */ + #define __HYPERVISOR_set_timer_op 15 #define __HYPERVISOR_sched_op 29 #define __HYPERVISOR_event_channel_op 32 @@ -126,7 +132,7 @@ struct { struct kvm_irq_routing_entry entries[2]; } irq_routes; -bool guest_saw_irq; +static volatile bool guest_saw_irq; static void evtchn_handler(struct ex_regs *regs) { @@ -148,6 +154,7 @@ static void guest_wait_for_irq(void) static void guest_code(void) { struct vcpu_runstate_info *rs = (void *)RUNSTATE_VADDR; + int i; __asm__ __volatile__( "sti\n" @@ -325,6 +332,49 @@ static void guest_code(void) guest_wait_for_irq(); GUEST_SYNC(21); + /* Racing host ioctls */ + + guest_wait_for_irq(); + + GUEST_SYNC(22); + /* Racing vmcall against host ioctl */ + + ports[0] = 0; + + p = (struct sched_poll) { + .ports = ports, + .nr_ports = 1, + .timeout = 0 + }; + +wait_for_timer: + /* + * Poll for a timer wake event while the worker thread is mucking with + * the shared info. KVM XEN drops timer IRQs if the shared info is + * invalid when the timer expires. Arbitrarily poll 100 times before + * giving up and asking the VMM to re-arm the timer. 100 polls should + * consume enough time to beat on KVM without taking too long if the + * timer IRQ is dropped due to an invalid event channel. + */ + for (i = 0; i < 100 && !guest_saw_irq; i++) + asm volatile("vmcall" + : "=a" (rax) + : "a" (__HYPERVISOR_sched_op), + "D" (SCHEDOP_poll), + "S" (&p) + : "memory"); + + /* + * Re-send the timer IRQ if it was (likely) dropped due to the timer + * expiring while the event channel was invalid. + */ + if (!guest_saw_irq) { + GUEST_SYNC(23); + goto wait_for_timer; + } + guest_saw_irq = false; + + GUEST_SYNC(24); } static int cmp_timespec(struct timespec *a, struct timespec *b) @@ -352,11 +402,36 @@ static void handle_alrm(int sig) TEST_FAIL("IRQ delivery timed out"); } +static void *juggle_shinfo_state(void *arg) +{ + struct kvm_vm *vm = (struct kvm_vm *)arg; + + struct kvm_xen_hvm_attr cache_init = { + .type = KVM_XEN_ATTR_TYPE_SHARED_INFO, + .u.shared_info.gfn = SHINFO_REGION_GPA / PAGE_SIZE + }; + + struct kvm_xen_hvm_attr cache_destroy = { + .type = KVM_XEN_ATTR_TYPE_SHARED_INFO, + .u.shared_info.gfn = GPA_INVALID + }; + + for (;;) { + __vm_ioctl(vm, KVM_XEN_HVM_SET_ATTR, &cache_init); + __vm_ioctl(vm, KVM_XEN_HVM_SET_ATTR, &cache_destroy); + pthread_testcancel(); + }; + + return NULL; +} + int main(int argc, char *argv[]) { struct timespec min_ts, max_ts, vm_ts; struct kvm_vm *vm; + pthread_t thread; bool verbose; + int ret; verbose = argc > 1 && (!strncmp(argv[1], "-v", 3) || !strncmp(argv[1], "--verbose", 10)); @@ -785,6 +860,71 @@ int main(int argc, char *argv[]) case 21: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); + alarm(0); + + if (verbose) + printf("Testing shinfo lock corruption (KVM_XEN_HVM_EVTCHN_SEND)\n"); + + ret = pthread_create(&thread, NULL, &juggle_shinfo_state, (void *)vm); + TEST_ASSERT(ret == 0, "pthread_create() failed: %s", strerror(ret)); + + struct kvm_irq_routing_xen_evtchn uxe = { + .port = 1, + .vcpu = vcpu->id, + .priority = KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL + }; + + evtchn_irq_expected = true; + for (time_t t = time(NULL) + SHINFO_RACE_TIMEOUT; time(NULL) < t;) + __vm_ioctl(vm, KVM_XEN_HVM_EVTCHN_SEND, &uxe); + break; + + case 22: + TEST_ASSERT(!evtchn_irq_expected, + "Expected event channel IRQ but it didn't happen"); + + if (verbose) + printf("Testing shinfo lock corruption (SCHEDOP_poll)\n"); + + shinfo->evtchn_pending[0] = 1; + + evtchn_irq_expected = true; + tmr.u.timer.expires_ns = rs->state_entry_time + + SHINFO_RACE_TIMEOUT * 1000000000ULL; + vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &tmr); + break; + + case 23: + /* + * Optional and possibly repeated sync point. + * Injecting the timer IRQ may fail if the + * shinfo is invalid when the timer expires. + * If the timer has expired but the IRQ hasn't + * been delivered, rearm the timer and retry. + */ + vcpu_ioctl(vcpu, KVM_XEN_VCPU_GET_ATTR, &tmr); + + /* Resume the guest if the timer is still pending. */ + if (tmr.u.timer.expires_ns) + break; + + /* All done if the IRQ was delivered. */ + if (!evtchn_irq_expected) + break; + + tmr.u.timer.expires_ns = rs->state_entry_time + + SHINFO_RACE_TIMEOUT * 1000000000ULL; + vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &tmr); + break; + case 24: + TEST_ASSERT(!evtchn_irq_expected, + "Expected event channel IRQ but it didn't happen"); + + ret = pthread_cancel(thread); + TEST_ASSERT(ret == 0, "pthread_cancel() failed: %s", strerror(ret)); + + ret = pthread_join(thread, 0); + TEST_ASSERT(ret == 0, "pthread_join() failed: %s", strerror(ret)); goto done; case 0x20: diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 9d4cb94cf437..a3ea3d4a206d 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -70,7 +70,7 @@ endef run_tests: all ifdef building_out_of_srctree @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \ - rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \ + rsync -aLq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \ fi @if [ "X$(TEST_PROGS)" != "X" ]; then \ $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \ @@ -84,7 +84,7 @@ endif define INSTALL_SINGLE_RULE $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH)) - $(if $(INSTALL_LIST),rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/) + $(if $(INSTALL_LIST),rsync -aL $(INSTALL_LIST) $(INSTALL_PATH)/) endef define INSTALL_RULE diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh index 74ee5067a8ce..611be86eaf3d 100755 --- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh +++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh @@ -138,7 +138,6 @@ online_all_offline_memory() { for memory in `hotpluggable_offline_memory`; do if ! online_memory_expect_success $memory; then - echo "$FUNCNAME $memory: unexpected fail" >&2 retval=1 fi done diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 2a6b0bc648c4..69c58362c0ed 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -70,6 +70,7 @@ TEST_PROGS += io_uring_zerocopy_tx.sh TEST_GEN_FILES += bind_bhash TEST_GEN_PROGS += sk_bind_sendto_listen TEST_GEN_PROGS += sk_connect_zero_addr +TEST_PROGS += test_ingress_egress_chaining.sh TEST_FILES := settings diff --git a/tools/testing/selftests/net/openvswitch/Makefile b/tools/testing/selftests/net/openvswitch/Makefile new file mode 100644 index 000000000000..2f1508abc826 --- /dev/null +++ b/tools/testing/selftests/net/openvswitch/Makefile @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0 + +top_srcdir = ../../../../.. + +CFLAGS = -Wall -Wl,--no-as-needed -O2 -g -I$(top_srcdir)/usr/include $(KHDR_INCLUDES) + +TEST_PROGS := openvswitch.sh + +TEST_FILES := ovs-dpctl.py + +EXTRA_CLEAN := test_netlink_checks + +include ../../lib.mk diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh new file mode 100755 index 000000000000..7ce46700a3ae --- /dev/null +++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh @@ -0,0 +1,218 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# OVS kernel module self tests + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +PAUSE_ON_FAIL=no +VERBOSE=0 +TRACING=0 + +tests=" + netlink_checks ovsnl: validate netlink attrs and settings" + +info() { + [ $VERBOSE = 0 ] || echo $* +} + +ovs_base=`pwd` +sbxs= +sbx_add () { + info "adding sandbox '$1'" + + sbxs="$sbxs $1" + + NO_BIN=0 + + # Create sandbox. + local d="$ovs_base"/$1 + if [ -e $d ]; then + info "removing $d" + rm -rf "$d" + fi + mkdir "$d" || return 1 + ovs_setenv $1 +} + +ovs_exit_sig() { + [ -e ${ovs_dir}/cleanup ] && . "$ovs_dir/cleanup" +} + +on_exit() { + echo "$1" > ${ovs_dir}/cleanup.tmp + cat ${ovs_dir}/cleanup >> ${ovs_dir}/cleanup.tmp + mv ${ovs_dir}/cleanup.tmp ${ovs_dir}/cleanup +} + +ovs_setenv() { + sandbox=$1 + + ovs_dir=$ovs_base${1:+/$1}; export ovs_dir + + test -e ${ovs_dir}/cleanup || : > ${ovs_dir}/cleanup +} + +ovs_sbx() { + if test "X$2" != X; then + (ovs_setenv $1; shift; "$@" >> ${ovs_dir}/debug.log) + else + ovs_setenv $1 + fi +} + +ovs_add_dp () { + info "Adding DP/Bridge IF: sbx:$1 dp:$2 {$3, $4, $5}" + sbxname="$1" + shift + ovs_sbx "$sbxname" python3 $ovs_base/ovs-dpctl.py add-dp $* + on_exit "ovs_sbx $sbxname python3 $ovs_base/ovs-dpctl.py del-dp $1;" +} + +usage() { + echo + echo "$0 [OPTIONS] [TEST]..." + echo "If no TEST argument is given, all tests will be run." + echo + echo "Options" + echo " -t: capture traffic via tcpdump" + echo " -v: verbose" + echo " -p: pause on failure" + echo + echo "Available tests${tests}" + exit 1 +} + +# netlink_validation +# - Create a dp +# - check no warning with "old version" simulation +test_netlink_checks () { + sbx_add "test_netlink_checks" || return 1 + + info "setting up new DP" + ovs_add_dp "test_netlink_checks" nv0 || return 1 + # now try again + PRE_TEST=$(dmesg | grep -E "RIP: [0-9a-fA-Fx]+:ovs_dp_cmd_new\+") + ovs_add_dp "test_netlink_checks" nv0 -V 0 || return 1 + POST_TEST=$(dmesg | grep -E "RIP: [0-9a-fA-Fx]+:ovs_dp_cmd_new\+") + if [ "$PRE_TEST" != "$POST_TEST" ]; then + info "failed - gen warning" + return 1 + fi + + return 0 +} + +run_test() { + ( + tname="$1" + tdesc="$2" + + if ! lsmod | grep openvswitch >/dev/null 2>&1; then + stdbuf -o0 printf "TEST: %-60s [NOMOD]\n" "${tdesc}" + return $ksft_skip + fi + + if python3 ovs-dpctl.py -h 2>&1 | \ + grep "Need to install the python" >/dev/null 2>&1; then + stdbuf -o0 printf "TEST: %-60s [PYLIB]\n" "${tdesc}" + return $ksft_skip + fi + printf "TEST: %-60s [START]\n" "${tname}" + + unset IFS + + eval test_${tname} + ret=$? + + if [ $ret -eq 0 ]; then + printf "TEST: %-60s [ OK ]\n" "${tdesc}" + ovs_exit_sig + rm -rf "$ovs_dir" + elif [ $ret -eq 1 ]; then + printf "TEST: %-60s [FAIL]\n" "${tdesc}" + if [ "${PAUSE_ON_FAIL}" = "yes" ]; then + echo + echo "Pausing. Logs in $ovs_dir/. Hit enter to continue" + read a + fi + ovs_exit_sig + [ "${PAUSE_ON_FAIL}" = "yes" ] || rm -rf "$ovs_dir" + exit 1 + elif [ $ret -eq $ksft_skip ]; then + printf "TEST: %-60s [SKIP]\n" "${tdesc}" + elif [ $ret -eq 2 ]; then + rm -rf test_${tname} + run_test "$1" "$2" + fi + + return $ret + ) + ret=$? + case $ret in + 0) + [ $all_skipped = true ] && [ $exitcode=$ksft_skip ] && exitcode=0 + all_skipped=false + ;; + $ksft_skip) + [ $all_skipped = true ] && exitcode=$ksft_skip + ;; + *) + all_skipped=false + exitcode=1 + ;; + esac + + return $ret +} + + +exitcode=0 +desc=0 +all_skipped=true + +while getopts :pvt o +do + case $o in + p) PAUSE_ON_FAIL=yes;; + v) VERBOSE=1;; + t) if which tcpdump > /dev/null 2>&1; then + TRACING=1 + else + echo "=== tcpdump not available, tracing disabled" + fi + ;; + *) usage;; + esac +done +shift $(($OPTIND-1)) + +IFS=" +" + +for arg do + # Check first that all requested tests are available before running any + command -v > /dev/null "test_${arg}" || { echo "=== Test ${arg} not found"; usage; } +done + +name="" +desc="" +for t in ${tests}; do + [ "${name}" = "" ] && name="${t}" && continue + [ "${desc}" = "" ] && desc="${t}" + + run_this=1 + for arg do + [ "${arg}" != "${arg#--*}" ] && continue + [ "${arg}" = "${name}" ] && run_this=1 && break + run_this=0 + done + if [ $run_this -eq 1 ]; then + run_test "${name}" "${desc}" + fi + name="" + desc="" +done + +exit ${exitcode} diff --git a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py new file mode 100644 index 000000000000..3243c90d449e --- /dev/null +++ b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py @@ -0,0 +1,351 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +# Controls the openvswitch module. Part of the kselftest suite, but +# can be used for some diagnostic purpose as well. + +import argparse +import errno +import sys + +try: + from pyroute2 import NDB + + from pyroute2.netlink import NLM_F_ACK + from pyroute2.netlink import NLM_F_REQUEST + from pyroute2.netlink import genlmsg + from pyroute2.netlink import nla + from pyroute2.netlink.exceptions import NetlinkError + from pyroute2.netlink.generic import GenericNetlinkSocket +except ModuleNotFoundError: + print("Need to install the python pyroute2 package.") + sys.exit(0) + + +OVS_DATAPATH_FAMILY = "ovs_datapath" +OVS_VPORT_FAMILY = "ovs_vport" +OVS_FLOW_FAMILY = "ovs_flow" +OVS_PACKET_FAMILY = "ovs_packet" +OVS_METER_FAMILY = "ovs_meter" +OVS_CT_LIMIT_FAMILY = "ovs_ct_limit" + +OVS_DATAPATH_VERSION = 2 +OVS_DP_CMD_NEW = 1 +OVS_DP_CMD_DEL = 2 +OVS_DP_CMD_GET = 3 +OVS_DP_CMD_SET = 4 + +OVS_VPORT_CMD_NEW = 1 +OVS_VPORT_CMD_DEL = 2 +OVS_VPORT_CMD_GET = 3 +OVS_VPORT_CMD_SET = 4 + + +class ovs_dp_msg(genlmsg): + # include the OVS version + # We need a custom header rather than just being able to rely on + # genlmsg because fields ends up not expressing everything correctly + # if we use the canonical example of setting fields = (('customfield',),) + fields = genlmsg.fields + (("dpifindex", "I"),) + + +class OvsDatapath(GenericNetlinkSocket): + + OVS_DP_F_VPORT_PIDS = 1 << 1 + OVS_DP_F_DISPATCH_UPCALL_PER_CPU = 1 << 3 + + class dp_cmd_msg(ovs_dp_msg): + """ + Message class that will be used to communicate with the kernel module. + """ + + nla_map = ( + ("OVS_DP_ATTR_UNSPEC", "none"), + ("OVS_DP_ATTR_NAME", "asciiz"), + ("OVS_DP_ATTR_UPCALL_PID", "uint32"), + ("OVS_DP_ATTR_STATS", "dpstats"), + ("OVS_DP_ATTR_MEGAFLOW_STATS", "megaflowstats"), + ("OVS_DP_ATTR_USER_FEATURES", "uint32"), + ("OVS_DP_ATTR_PAD", "none"), + ("OVS_DP_ATTR_MASKS_CACHE_SIZE", "uint32"), + ("OVS_DP_ATTR_PER_CPU_PIDS", "array(uint32)"), + ) + + class dpstats(nla): + fields = ( + ("hit", "=Q"), + ("missed", "=Q"), + ("lost", "=Q"), + ("flows", "=Q"), + ) + + class megaflowstats(nla): + fields = ( + ("mask_hit", "=Q"), + ("masks", "=I"), + ("padding", "=I"), + ("cache_hits", "=Q"), + ("pad1", "=Q"), + ) + + def __init__(self): + GenericNetlinkSocket.__init__(self) + self.bind(OVS_DATAPATH_FAMILY, OvsDatapath.dp_cmd_msg) + + def info(self, dpname, ifindex=0): + msg = OvsDatapath.dp_cmd_msg() + msg["cmd"] = OVS_DP_CMD_GET + msg["version"] = OVS_DATAPATH_VERSION + msg["reserved"] = 0 + msg["dpifindex"] = ifindex + msg["attrs"].append(["OVS_DP_ATTR_NAME", dpname]) + + try: + reply = self.nlm_request( + msg, msg_type=self.prid, msg_flags=NLM_F_REQUEST + ) + reply = reply[0] + except NetlinkError as ne: + if ne.code == errno.ENODEV: + reply = None + else: + raise ne + + return reply + + def create(self, dpname, shouldUpcall=False, versionStr=None): + msg = OvsDatapath.dp_cmd_msg() + msg["cmd"] = OVS_DP_CMD_NEW + if versionStr is None: + msg["version"] = OVS_DATAPATH_VERSION + else: + msg["version"] = int(versionStr.split(":")[0], 0) + msg["reserved"] = 0 + msg["dpifindex"] = 0 + msg["attrs"].append(["OVS_DP_ATTR_NAME", dpname]) + + dpfeatures = 0 + if versionStr is not None and versionStr.find(":") != -1: + dpfeatures = int(versionStr.split(":")[1], 0) + else: + dpfeatures = OvsDatapath.OVS_DP_F_VPORT_PIDS + + msg["attrs"].append(["OVS_DP_ATTR_USER_FEATURES", dpfeatures]) + if not shouldUpcall: + msg["attrs"].append(["OVS_DP_ATTR_UPCALL_PID", 0]) + + try: + reply = self.nlm_request( + msg, msg_type=self.prid, msg_flags=NLM_F_REQUEST | NLM_F_ACK + ) + reply = reply[0] + except NetlinkError as ne: + if ne.code == errno.EEXIST: + reply = None + else: + raise ne + + return reply + + def destroy(self, dpname): + msg = OvsDatapath.dp_cmd_msg() + msg["cmd"] = OVS_DP_CMD_DEL + msg["version"] = OVS_DATAPATH_VERSION + msg["reserved"] = 0 + msg["dpifindex"] = 0 + msg["attrs"].append(["OVS_DP_ATTR_NAME", dpname]) + + try: + reply = self.nlm_request( + msg, msg_type=self.prid, msg_flags=NLM_F_REQUEST | NLM_F_ACK + ) + reply = reply[0] + except NetlinkError as ne: + if ne.code == errno.ENODEV: + reply = None + else: + raise ne + + return reply + + +class OvsVport(GenericNetlinkSocket): + class ovs_vport_msg(ovs_dp_msg): + nla_map = ( + ("OVS_VPORT_ATTR_UNSPEC", "none"), + ("OVS_VPORT_ATTR_PORT_NO", "uint32"), + ("OVS_VPORT_ATTR_TYPE", "uint32"), + ("OVS_VPORT_ATTR_NAME", "asciiz"), + ("OVS_VPORT_ATTR_OPTIONS", "none"), + ("OVS_VPORT_ATTR_UPCALL_PID", "array(uint32)"), + ("OVS_VPORT_ATTR_STATS", "vportstats"), + ("OVS_VPORT_ATTR_PAD", "none"), + ("OVS_VPORT_ATTR_IFINDEX", "uint32"), + ("OVS_VPORT_ATTR_NETNSID", "uint32"), + ) + + class vportstats(nla): + fields = ( + ("rx_packets", "=Q"), + ("tx_packets", "=Q"), + ("rx_bytes", "=Q"), + ("tx_bytes", "=Q"), + ("rx_errors", "=Q"), + ("tx_errors", "=Q"), + ("rx_dropped", "=Q"), + ("tx_dropped", "=Q"), + ) + + def type_to_str(vport_type): + if vport_type == 1: + return "netdev" + elif vport_type == 2: + return "internal" + elif vport_type == 3: + return "gre" + elif vport_type == 4: + return "vxlan" + elif vport_type == 5: + return "geneve" + return "unknown:%d" % vport_type + + def __init__(self): + GenericNetlinkSocket.__init__(self) + self.bind(OVS_VPORT_FAMILY, OvsVport.ovs_vport_msg) + + def info(self, vport_name, dpifindex=0, portno=None): + msg = OvsVport.ovs_vport_msg() + + msg["cmd"] = OVS_VPORT_CMD_GET + msg["version"] = OVS_DATAPATH_VERSION + msg["reserved"] = 0 + msg["dpifindex"] = dpifindex + + if portno is None: + msg["attrs"].append(["OVS_VPORT_ATTR_NAME", vport_name]) + else: + msg["attrs"].append(["OVS_VPORT_ATTR_PORT_NO", portno]) + + try: + reply = self.nlm_request( + msg, msg_type=self.prid, msg_flags=NLM_F_REQUEST + ) + reply = reply[0] + except NetlinkError as ne: + if ne.code == errno.ENODEV: + reply = None + else: + raise ne + return reply + + +def print_ovsdp_full(dp_lookup_rep, ifindex, ndb=NDB()): + dp_name = dp_lookup_rep.get_attr("OVS_DP_ATTR_NAME") + base_stats = dp_lookup_rep.get_attr("OVS_DP_ATTR_STATS") + megaflow_stats = dp_lookup_rep.get_attr("OVS_DP_ATTR_MEGAFLOW_STATS") + user_features = dp_lookup_rep.get_attr("OVS_DP_ATTR_USER_FEATURES") + masks_cache_size = dp_lookup_rep.get_attr("OVS_DP_ATTR_MASKS_CACHE_SIZE") + + print("%s:" % dp_name) + print( + " lookups: hit:%d missed:%d lost:%d" + % (base_stats["hit"], base_stats["missed"], base_stats["lost"]) + ) + print(" flows:%d" % base_stats["flows"]) + pkts = base_stats["hit"] + base_stats["missed"] + avg = (megaflow_stats["mask_hit"] / pkts) if pkts != 0 else 0.0 + print( + " masks: hit:%d total:%d hit/pkt:%f" + % (megaflow_stats["mask_hit"], megaflow_stats["masks"], avg) + ) + print(" caches:") + print(" masks-cache: size:%d" % masks_cache_size) + + if user_features is not None: + print(" features: 0x%X" % user_features) + + # port print out + vpl = OvsVport() + for iface in ndb.interfaces: + rep = vpl.info(iface.ifname, ifindex) + if rep is not None: + print( + " port %d: %s (%s)" + % ( + rep.get_attr("OVS_VPORT_ATTR_PORT_NO"), + rep.get_attr("OVS_VPORT_ATTR_NAME"), + OvsVport.type_to_str(rep.get_attr("OVS_VPORT_ATTR_TYPE")), + ) + ) + + +def main(argv): + parser = argparse.ArgumentParser() + parser.add_argument( + "-v", + "--verbose", + action="count", + help="Increment 'verbose' output counter.", + ) + subparsers = parser.add_subparsers() + + showdpcmd = subparsers.add_parser("show") + showdpcmd.add_argument( + "showdp", metavar="N", type=str, nargs="?", help="Datapath Name" + ) + + adddpcmd = subparsers.add_parser("add-dp") + adddpcmd.add_argument("adddp", help="Datapath Name") + adddpcmd.add_argument( + "-u", + "--upcall", + action="store_true", + help="Leave open a reader for upcalls", + ) + adddpcmd.add_argument( + "-V", + "--versioning", + required=False, + help="Specify a custom version / feature string", + ) + + deldpcmd = subparsers.add_parser("del-dp") + deldpcmd.add_argument("deldp", help="Datapath Name") + + args = parser.parse_args() + + ovsdp = OvsDatapath() + ndb = NDB() + + if hasattr(args, "showdp"): + found = False + for iface in ndb.interfaces: + rep = None + if args.showdp is None: + rep = ovsdp.info(iface.ifname, 0) + elif args.showdp == iface.ifname: + rep = ovsdp.info(iface.ifname, 0) + + if rep is not None: + found = True + print_ovsdp_full(rep, iface.index, ndb) + + if not found: + msg = "No DP found" + if args.showdp is not None: + msg += ":'%s'" % args.showdp + print(msg) + elif hasattr(args, "adddp"): + rep = ovsdp.create(args.adddp, args.upcall, args.versioning) + if rep is None: + print("DP '%s' already exists" % args.adddp) + else: + print("DP '%s' added" % args.adddp) + elif hasattr(args, "deldp"): + ovsdp.destroy(args.deldp) + + return 0 + + +if __name__ == "__main__": + sys.exit(main(sys.argv)) diff --git a/tools/testing/selftests/net/test_ingress_egress_chaining.sh b/tools/testing/selftests/net/test_ingress_egress_chaining.sh new file mode 100644 index 000000000000..08adff6bb3b6 --- /dev/null +++ b/tools/testing/selftests/net/test_ingress_egress_chaining.sh @@ -0,0 +1,79 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# This test runs a simple ingress tc setup between two veth pairs, +# and chains a single egress rule to test ingress chaining to egress. +# +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +if [ "$(id -u)" -ne 0 ];then + echo "SKIP: Need root privileges" + exit $ksft_skip +fi + +needed_mods="act_mirred cls_flower sch_ingress" +for mod in $needed_mods; do + modinfo $mod &>/dev/null || { echo "SKIP: Need act_mirred module"; exit $ksft_skip; } +done + +ns="ns$((RANDOM%899+100))" +veth1="veth1$((RANDOM%899+100))" +veth2="veth2$((RANDOM%899+100))" +peer1="peer1$((RANDOM%899+100))" +peer2="peer2$((RANDOM%899+100))" +ip_peer1=198.51.100.5 +ip_peer2=198.51.100.6 + +function fail() { + echo "FAIL: $@" >> /dev/stderr + exit 1 +} + +function cleanup() { + killall -q -9 udpgso_bench_rx + ip link del $veth1 &> /dev/null + ip link del $veth2 &> /dev/null + ip netns del $ns &> /dev/null +} +trap cleanup EXIT + +function config() { + echo "Setup veth pairs [$veth1, $peer1], and veth pair [$veth2, $peer2]" + ip link add $veth1 type veth peer name $peer1 + ip link add $veth2 type veth peer name $peer2 + ip addr add $ip_peer1/24 dev $peer1 + ip link set $peer1 up + ip netns add $ns + ip link set dev $peer2 netns $ns + ip netns exec $ns ip addr add $ip_peer2/24 dev $peer2 + ip netns exec $ns ip link set $peer2 up + ip link set $veth1 up + ip link set $veth2 up + + echo "Add tc filter ingress->egress forwarding $veth1 <-> $veth2" + tc qdisc add dev $veth2 ingress + tc qdisc add dev $veth1 ingress + tc filter add dev $veth2 ingress prio 1 proto all flower \ + action mirred egress redirect dev $veth1 + tc filter add dev $veth1 ingress prio 1 proto all flower \ + action mirred egress redirect dev $veth2 + + echo "Add tc filter egress->ingress forwarding $peer1 -> $veth1, bypassing the veth pipe" + tc qdisc add dev $peer1 clsact + tc filter add dev $peer1 egress prio 20 proto ip flower \ + action mirred ingress redirect dev $veth1 +} + +function test_run() { + echo "Run tcp traffic" + ./udpgso_bench_rx -t & + sleep 1 + ip netns exec $ns timeout -k 2 10 ./udpgso_bench_tx -t -l 2 -4 -D $ip_peer1 || fail "traffic failed" + echo "Test passed" +} + +config +test_run +trap - EXIT +cleanup diff --git a/tools/testing/selftests/perf_events/sigtrap_threads.c b/tools/testing/selftests/perf_events/sigtrap_threads.c index 6d849dc2bee0..d1d8483ac628 100644 --- a/tools/testing/selftests/perf_events/sigtrap_threads.c +++ b/tools/testing/selftests/perf_events/sigtrap_threads.c @@ -62,6 +62,8 @@ static struct perf_event_attr make_event_attr(bool enabled, volatile void *addr, .remove_on_exec = 1, /* Required by sigtrap. */ .sigtrap = 1, /* Request synchronous SIGTRAP on event. */ .sig_data = TEST_SIG_DATA(addr, id), + .exclude_kernel = 1, /* To allow */ + .exclude_hv = 1, /* running as !root */ }; return attr; } @@ -93,9 +95,13 @@ static void *test_thread(void *arg) __atomic_fetch_add(&ctx.tids_want_signal, tid, __ATOMIC_RELAXED); iter = ctx.iterate_on; /* read */ - for (i = 0; i < iter - 1; i++) { - __atomic_fetch_add(&ctx.tids_want_signal, tid, __ATOMIC_RELAXED); - ctx.iterate_on = iter; /* idempotent write */ + if (iter >= 0) { + for (i = 0; i < iter - 1; i++) { + __atomic_fetch_add(&ctx.tids_want_signal, tid, __ATOMIC_RELAXED); + ctx.iterate_on = iter; /* idempotent write */ + } + } else { + while (ctx.iterate_on); } return NULL; @@ -208,4 +214,27 @@ TEST_F(sigtrap_threads, signal_stress) EXPECT_EQ(ctx.first_siginfo.si_perf_data, TEST_SIG_DATA(&ctx.iterate_on, 0)); } +TEST_F(sigtrap_threads, signal_stress_with_disable) +{ + const int target_count = NUM_THREADS * 3000; + int i; + + ctx.iterate_on = -1; + + EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_ENABLE, 0), 0); + pthread_barrier_wait(&self->barrier); + while (__atomic_load_n(&ctx.signal_count, __ATOMIC_RELAXED) < target_count) { + EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_DISABLE, 0), 0); + EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_ENABLE, 0), 0); + } + ctx.iterate_on = 0; + for (i = 0; i < NUM_THREADS; i++) + ASSERT_EQ(pthread_join(self->threads[i], NULL), 0); + EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_DISABLE, 0), 0); + + EXPECT_EQ(ctx.first_siginfo.si_addr, &ctx.iterate_on); + EXPECT_EQ(ctx.first_siginfo.si_perf_type, PERF_TYPE_BREAKPOINT); + EXPECT_EQ(ctx.first_siginfo.si_perf_data, TEST_SIG_DATA(&ctx.iterate_on, 0)); +} + TEST_HARNESS_MAIN diff --git a/tools/testing/selftests/pidfd/Makefile b/tools/testing/selftests/pidfd/Makefile index f4a2f28f926b..778b6cdc8aed 100644 --- a/tools/testing/selftests/pidfd/Makefile +++ b/tools/testing/selftests/pidfd/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -CFLAGS += -g -I../../../../usr/include/ -pthread +CFLAGS += -g -I../../../../usr/include/ -pthread -Wall TEST_GEN_PROGS := pidfd_test pidfd_fdinfo_test pidfd_open_test \ pidfd_poll_test pidfd_wait pidfd_getfd_test pidfd_setns_test diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c index 9a2d64901d59..e2dd4ed84984 100644 --- a/tools/testing/selftests/pidfd/pidfd_test.c +++ b/tools/testing/selftests/pidfd/pidfd_test.c @@ -413,7 +413,7 @@ static void poll_pidfd(const char *test_name, int pidfd) c = epoll_wait(epoll_fd, events, MAX_EVENTS, 5000); if (c != 1 || !(events[0].events & EPOLLIN)) - ksft_exit_fail_msg("%s test: Unexpected epoll_wait result (c=%d, events=%x) ", + ksft_exit_fail_msg("%s test: Unexpected epoll_wait result (c=%d, events=%x) " "(errno %d)\n", test_name, c, events[0].events, errno); @@ -435,6 +435,8 @@ static int child_poll_exec_test(void *args) */ while (1) sleep(1); + + return 0; } static void test_pidfd_poll_exec(int use_waitpid) diff --git a/tools/testing/selftests/pidfd/pidfd_wait.c b/tools/testing/selftests/pidfd/pidfd_wait.c index 070c1c876df1..0dcb8365ddc3 100644 --- a/tools/testing/selftests/pidfd/pidfd_wait.c +++ b/tools/testing/selftests/pidfd/pidfd_wait.c @@ -95,20 +95,28 @@ TEST(wait_states) .flags = CLONE_PIDFD | CLONE_PARENT_SETTID, .exit_signal = SIGCHLD, }; + int pfd[2]; pid_t pid; siginfo_t info = { .si_signo = 0, }; + ASSERT_EQ(pipe(pfd), 0); pid = sys_clone3(&args); ASSERT_GE(pid, 0); if (pid == 0) { + char buf[2]; + + close(pfd[1]); kill(getpid(), SIGSTOP); + ASSERT_EQ(read(pfd[0], buf, 1), 1); + close(pfd[0]); kill(getpid(), SIGSTOP); exit(EXIT_SUCCESS); } + close(pfd[0]); ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WSTOPPED, NULL), 0); ASSERT_EQ(info.si_signo, SIGCHLD); ASSERT_EQ(info.si_code, CLD_STOPPED); @@ -117,6 +125,8 @@ TEST(wait_states) ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGCONT, NULL, 0), 0); ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED, NULL), 0); + ASSERT_EQ(write(pfd[1], "C", 1), 1); + close(pfd[1]); ASSERT_EQ(info.si_signo, SIGCHLD); ASSERT_EQ(info.si_code, CLD_CONTINUED); ASSERT_EQ(info.si_pid, parent_tid); @@ -138,7 +148,7 @@ TEST(wait_states) TEST(wait_nonblock) { - int pidfd, status = 0; + int pidfd; unsigned int flags = 0; pid_t parent_tid = -1; struct clone_args args = { |