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-rw-r--r--tools/testing/selftests/net/.gitignore1
-rw-r--r--tools/testing/selftests/net/af_unix/Makefile1
-rw-r--r--tools/testing/selftests/net/af_unix/so_peek_off.c162
-rwxr-xr-xtools/testing/selftests/net/forwarding/lib_sh_test.sh7
-rw-r--r--tools/testing/selftests/net/lib.sh2
-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_join.sh27
6 files changed, 188 insertions, 12 deletions
diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore
index 439101b518ee..8f9850a71f54 100644
--- a/tools/testing/selftests/net/.gitignore
+++ b/tools/testing/selftests/net/.gitignore
@@ -45,6 +45,7 @@ skf_net_off
socket
so_incoming_cpu
so_netns_cookie
+so_peek_off
so_txtime
so_rcv_listener
stress_reuseport_listen
diff --git a/tools/testing/selftests/net/af_unix/Makefile b/tools/testing/selftests/net/af_unix/Makefile
index de805cbbdf69..528d14c598bb 100644
--- a/tools/testing/selftests/net/af_unix/Makefile
+++ b/tools/testing/selftests/net/af_unix/Makefile
@@ -6,6 +6,7 @@ TEST_GEN_PROGS := \
scm_inq \
scm_pidfd \
scm_rights \
+ so_peek_off \
unix_connect \
# end of TEST_GEN_PROGS
diff --git a/tools/testing/selftests/net/af_unix/so_peek_off.c b/tools/testing/selftests/net/af_unix/so_peek_off.c
new file mode 100644
index 000000000000..1a77728128e5
--- /dev/null
+++ b/tools/testing/selftests/net/af_unix/so_peek_off.c
@@ -0,0 +1,162 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright 2025 Google LLC */
+
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <sys/socket.h>
+
+#include "../../kselftest_harness.h"
+
+FIXTURE(so_peek_off)
+{
+ int fd[2]; /* 0: sender, 1: receiver */
+};
+
+FIXTURE_VARIANT(so_peek_off)
+{
+ int type;
+};
+
+FIXTURE_VARIANT_ADD(so_peek_off, stream)
+{
+ .type = SOCK_STREAM,
+};
+
+FIXTURE_VARIANT_ADD(so_peek_off, dgram)
+{
+ .type = SOCK_DGRAM,
+};
+
+FIXTURE_VARIANT_ADD(so_peek_off, seqpacket)
+{
+ .type = SOCK_SEQPACKET,
+};
+
+FIXTURE_SETUP(so_peek_off)
+{
+ struct timeval timeout = {
+ .tv_sec = 0,
+ .tv_usec = 3000,
+ };
+ int ret;
+
+ ret = socketpair(AF_UNIX, variant->type, 0, self->fd);
+ ASSERT_EQ(0, ret);
+
+ ret = setsockopt(self->fd[1], SOL_SOCKET, SO_RCVTIMEO_NEW,
+ &timeout, sizeof(timeout));
+ ASSERT_EQ(0, ret);
+
+ ret = setsockopt(self->fd[1], SOL_SOCKET, SO_PEEK_OFF,
+ &(int){0}, sizeof(int));
+ ASSERT_EQ(0, ret);
+}
+
+FIXTURE_TEARDOWN(so_peek_off)
+{
+ close_range(self->fd[0], self->fd[1], 0);
+}
+
+#define sendeq(fd, str, flags) \
+ do { \
+ int bytes, len = strlen(str); \
+ \
+ bytes = send(fd, str, len, flags); \
+ ASSERT_EQ(len, bytes); \
+ } while (0)
+
+#define recveq(fd, str, buflen, flags) \
+ do { \
+ char buf[(buflen) + 1] = {}; \
+ int bytes; \
+ \
+ bytes = recv(fd, buf, buflen, flags); \
+ ASSERT_NE(-1, bytes); \
+ ASSERT_STREQ(str, buf); \
+ } while (0)
+
+#define async \
+ for (pid_t pid = (pid = fork(), \
+ pid < 0 ? \
+ __TH_LOG("Failed to start async {}"), \
+ _metadata->exit_code = KSFT_FAIL, \
+ __bail(1, _metadata), \
+ 0xdead : \
+ pid); \
+ !pid; exit(0))
+
+TEST_F(so_peek_off, single_chunk)
+{
+ sendeq(self->fd[0], "aaaabbbb", 0);
+
+ recveq(self->fd[1], "aaaa", 4, MSG_PEEK);
+ recveq(self->fd[1], "bbbb", 100, MSG_PEEK);
+}
+
+TEST_F(so_peek_off, two_chunks)
+{
+ sendeq(self->fd[0], "aaaa", 0);
+ sendeq(self->fd[0], "bbbb", 0);
+
+ recveq(self->fd[1], "aaaa", 4, MSG_PEEK);
+ recveq(self->fd[1], "bbbb", 100, MSG_PEEK);
+}
+
+TEST_F(so_peek_off, two_chunks_blocking)
+{
+ async {
+ usleep(1000);
+ sendeq(self->fd[0], "aaaa", 0);
+ }
+
+ recveq(self->fd[1], "aaaa", 4, MSG_PEEK);
+
+ async {
+ usleep(1000);
+ sendeq(self->fd[0], "bbbb", 0);
+ }
+
+ /* goto again; -> goto redo; in unix_stream_read_generic(). */
+ recveq(self->fd[1], "bbbb", 100, MSG_PEEK);
+}
+
+TEST_F(so_peek_off, two_chunks_overlap)
+{
+ sendeq(self->fd[0], "aaaa", 0);
+ recveq(self->fd[1], "aa", 2, MSG_PEEK);
+
+ sendeq(self->fd[0], "bbbb", 0);
+
+ if (variant->type == SOCK_STREAM) {
+ /* SOCK_STREAM tries to fill the buffer. */
+ recveq(self->fd[1], "aabb", 4, MSG_PEEK);
+ recveq(self->fd[1], "bb", 100, MSG_PEEK);
+ } else {
+ /* SOCK_DGRAM and SOCK_SEQPACKET returns at the skb boundary. */
+ recveq(self->fd[1], "aa", 100, MSG_PEEK);
+ recveq(self->fd[1], "bbbb", 100, MSG_PEEK);
+ }
+}
+
+TEST_F(so_peek_off, two_chunks_overlap_blocking)
+{
+ async {
+ usleep(1000);
+ sendeq(self->fd[0], "aaaa", 0);
+ }
+
+ recveq(self->fd[1], "aa", 2, MSG_PEEK);
+
+ async {
+ usleep(1000);
+ sendeq(self->fd[0], "bbbb", 0);
+ }
+
+ /* Even SOCK_STREAM does not wait if at least one byte is read. */
+ recveq(self->fd[1], "aa", 100, MSG_PEEK);
+
+ recveq(self->fd[1], "bbbb", 100, MSG_PEEK);
+}
+
+TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/net/forwarding/lib_sh_test.sh b/tools/testing/selftests/net/forwarding/lib_sh_test.sh
index ff2accccaf4d..b4eda6c6199e 100755
--- a/tools/testing/selftests/net/forwarding/lib_sh_test.sh
+++ b/tools/testing/selftests/net/forwarding/lib_sh_test.sh
@@ -30,6 +30,11 @@ tfail()
do_test "tfail" false
}
+tfail2()
+{
+ do_test "tfail2" false
+}
+
txfail()
{
FAIL_TO_XFAIL=yes do_test "txfail" false
@@ -132,6 +137,8 @@ test_ret()
ret_subtest $ksft_fail "tfail" txfail tfail
ret_subtest $ksft_xfail "txfail" txfail txfail
+
+ ret_subtest $ksft_fail "tfail2" tfail2 tfail
}
exit_status_tests_run()
diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh
index feba4ef69a54..f448bafb3f20 100644
--- a/tools/testing/selftests/net/lib.sh
+++ b/tools/testing/selftests/net/lib.sh
@@ -43,7 +43,7 @@ __ksft_status_merge()
weights[$i]=$((weight++))
done
- if [[ ${weights[$a]} > ${weights[$b]} ]]; then
+ if [[ ${weights[$a]} -ge ${weights[$b]} ]]; then
echo "$a"
return 0
else
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 41503c241989..43f31f8d587f 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3500,7 +3500,6 @@ fullmesh_tests()
fastclose_tests()
{
if reset_check_counter "fastclose test" "MPTcpExtMPFastcloseTx"; then
- MPTCP_LIB_SUBTEST_FLAKY=1
test_linkfail=1024 fastclose=client \
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 0 0 0
@@ -3509,7 +3508,6 @@ fastclose_tests()
fi
if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then
- MPTCP_LIB_SUBTEST_FLAKY=1
test_linkfail=1024 fastclose=server \
run_tests $ns1 $ns2 10.0.1.1
join_rst_nr=1 \
@@ -3806,7 +3804,7 @@ userspace_tests()
continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
set_userspace_pm $ns1
pm_nl_set_limits $ns2 2 2
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
wait_mpj $ns1
@@ -3839,7 +3837,7 @@ userspace_tests()
continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
set_userspace_pm $ns2
pm_nl_set_limits $ns1 0 1
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
wait_mpj $ns2
@@ -3867,7 +3865,7 @@ userspace_tests()
continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
set_userspace_pm $ns2
pm_nl_set_limits $ns1 0 1
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
wait_mpj $ns2
@@ -3888,7 +3886,7 @@ userspace_tests()
continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
set_userspace_pm $ns2
pm_nl_set_limits $ns1 0 1
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
wait_mpj $ns2
@@ -3912,7 +3910,7 @@ userspace_tests()
continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
set_userspace_pm $ns1
pm_nl_set_limits $ns2 1 1
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
wait_mpj $ns1
@@ -3943,7 +3941,7 @@ endpoint_tests()
pm_nl_set_limits $ns1 2 2
pm_nl_set_limits $ns2 2 2
pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
- { test_linkfail=128 speed=slow \
+ { timeout_test=120 test_linkfail=128 speed=slow \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
@@ -3970,7 +3968,7 @@ endpoint_tests()
pm_nl_set_limits $ns2 0 3
pm_nl_add_endpoint $ns2 10.0.1.2 id 1 dev ns2eth1 flags subflow
pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
@@ -4048,7 +4046,7 @@ endpoint_tests()
# broadcast IP: no packet for this address will be received on ns1
pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal
pm_nl_add_endpoint $ns1 10.0.1.1 id 42 flags signal
- { test_linkfail=128 speed=5 \
+ { timeout_test=120 test_linkfail=128 speed=5 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
@@ -4057,38 +4055,45 @@ endpoint_tests()
$ns1 10.0.2.1 id 1 flags signal
chk_subflow_nr "before delete" 2
chk_mptcp_info subflows 1 subflows 1
+ chk_mptcp_info add_addr_signal 2 add_addr_accepted 1
pm_nl_del_endpoint $ns1 1 10.0.2.1
pm_nl_del_endpoint $ns1 2 224.0.0.1
sleep 0.5
chk_subflow_nr "after delete" 1
chk_mptcp_info subflows 0 subflows 0
+ chk_mptcp_info add_addr_signal 0 add_addr_accepted 0
pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal
wait_mpj $ns2
chk_subflow_nr "after re-add" 3
chk_mptcp_info subflows 2 subflows 2
+ chk_mptcp_info add_addr_signal 2 add_addr_accepted 2
pm_nl_del_endpoint $ns1 42 10.0.1.1
sleep 0.5
chk_subflow_nr "after delete ID 0" 2
chk_mptcp_info subflows 2 subflows 2
+ chk_mptcp_info add_addr_signal 2 add_addr_accepted 2
pm_nl_add_endpoint $ns1 10.0.1.1 id 99 flags signal
wait_mpj $ns2
chk_subflow_nr "after re-add ID 0" 3
chk_mptcp_info subflows 3 subflows 3
+ chk_mptcp_info add_addr_signal 3 add_addr_accepted 2
pm_nl_del_endpoint $ns1 99 10.0.1.1
sleep 0.5
chk_subflow_nr "after re-delete ID 0" 2
chk_mptcp_info subflows 2 subflows 2
+ chk_mptcp_info add_addr_signal 2 add_addr_accepted 2
pm_nl_add_endpoint $ns1 10.0.1.1 id 88 flags signal
wait_mpj $ns2
chk_subflow_nr "after re-re-add ID 0" 3
chk_mptcp_info subflows 3 subflows 3
+ chk_mptcp_info add_addr_signal 3 add_addr_accepted 2
mptcp_lib_kill_group_wait $tests_pid
kill_events_pids
@@ -4121,7 +4126,7 @@ endpoint_tests()
# broadcast IP: no packet for this address will be received on ns1
pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal
pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow
- { test_linkfail=128 speed=20 \
+ { timeout_test=120 test_linkfail=128 speed=20 \
run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null
local tests_pid=$!
generated by cgit v1.2.3 (git 2.0.4) at 2025-11-22 18:34:26 +0000