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d3265c19b35d036bba327b36b5366bee76b0157c
linux/tools/testing/selftests/net
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Minxi Hou 3e9201e4fe selftests/net/openvswitch: add flow modify test 
Add mod_flow() and the mod-flow CLI command to ovs-dpctl.py, exercising
OVS_FLOW_CMD_SET. Add test_flow_set which first modifies an existing
flow with new actions and verifies the change via traffic, then modifies
the same flow without actions and verifies the kernel handles the
no-actions case gracefully.

The no-actions path is unreachable from userspace OVS tools (dpctl
mod-flow requires actions) but reachable via raw netlink. This is the
code path where Adrian Moreno found a possible kfree_skb of ERR_PTR
when reply allocation fails after locking.

Make parse() skip OVS_FLOW_ATTR_ACTIONS when actstr is None so the
kernel enters the post-lock allocation branch in ovs_flow_cmd_set().
After the no-actions set, verify via dump-flows that the flow retained
its drop action.

Suggested-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Minxi Hou <houminxi@gmail.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20260609165725.107484-1-houminxi@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-11 15:45:30 -07:00
..
af_unix
af_unix: Add test for SCM_INQ on partial read
2026-06-03 18:52:25 -07:00
bench
selftests: pp-bench: remove page_pool_put_page wrapper
2025-07-01 17:42:11 -07:00
can
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
forwarding
selftest: net: Extend ipmr.c for IP6MR.
2026-06-08 17:06:22 -07:00
hsr
selftests: hsr: Add more link fault tests for HSR
2026-02-10 12:02:29 +01:00
lib
selftests: drv-net: gro: signal over-coalescing more reliably
2026-06-09 12:24:04 +02:00
mptcp
selftests: mptcp: always check sent/dropped ADD_ADDRs
2026-06-11 15:33:38 -07:00
netfilter
selftests: netfilter: add nft_fib_nexthop test
2026-05-22 12:28:46 +02:00
openvswitch
selftests/net/openvswitch: add flow modify test
2026-06-11 15:45:30 -07:00
ovpn
selftests: ovpn: reduce remaining ping flood counts
2026-05-14 16:24:45 +02:00
packetdrill
selftests/net: packetdrill: add tcp_syncookies_ip[46]_9k
2026-04-30 20:54:09 -07:00
ppp
selftests: net: do not detect PPPoX loopback
2026-06-05 17:29:40 -07:00
rds
selftests: net: rds: add getsockopt() conversion test
2026-06-11 12:19:05 +02:00
tcp_ao
net/tcp-ao: Use crypto library API instead of crypto_ahash
2026-04-30 09:38:56 +02:00
.gitignore
selftests: net: add getsockopt_iter binary to .gitignore
2026-06-09 18:48:17 -07:00
altnames.sh
…
amt.sh
selftests: net: amt: wait longer for connection before sending packets
2026-01-21 19:20:30 -08:00
arp_ndisc_evict_nocarrier.sh
selftests: net: add a hint about MACAddressPolicy=persistent
2025-12-01 12:02:13 -08:00
arp_ndisc_untracked_subnets.sh
selftests/net: use tc rule to filter the na packet
2024-05-21 13:25:11 +02:00
bareudp.sh
selftests: net: use BASH for bareudp testing
2025-10-29 17:56:03 -07:00
big_tcp.sh
…
bind_bhash.c
selftests/net: bind_bhash: fix memory leak in bind_socket
2026-06-02 19:27:25 -07:00
bind_bhash.sh
…
bind_timewait.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
bind_wildcard.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
bpf_offload.py
selftests: net: bpf_offload: print loaded programs on mismatch
2025-08-20 19:28:03 -07:00
bpf.mk
…
bridge_stp_mode.sh
selftests: net: add bridge STP mode selection test
2026-04-10 15:52:25 -07:00
bridge_vlan_dump.sh
selftests: net: Add bridge VLAN range grouping tests
2026-02-26 19:24:29 -08:00
broadcast_ether_dst.sh
selftests: net: add test for destination in broadcast packets
2025-09-09 11:29:58 +02:00
broadcast_pmtu.sh
selftests: net: add test for variable PMTU in broadcast routes
2025-07-14 17:29:41 -07:00
busy_poll_test.sh
selftests: Add napi threaded busy poll test in busy_poller
2025-11-03 18:11:40 -08:00
busy_poller.c
selftests: Add napi threaded busy poll test in busy_poller
2025-11-03 18:11:40 -08:00
cmsg_ip.sh
selftests/net: expand cmsg_ip with MSG_MORE
2025-03-10 13:13:04 -07:00
cmsg_sender.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
cmsg_so_mark.sh
…
cmsg_so_priority.sh
selftests: net: test SO_PRIORITY ancillary data with cmsg_sender
2024-12-16 18:14:12 -08:00
cmsg_time.sh
selftests: net: give up on the cmsg_time accuracy on slow machines
2025-01-17 18:36:14 -08:00
config
selftests: net: add tests for filtered dumps of page pool
2026-05-08 14:54:55 -07:00
double_udp_encap.sh
selftests: net: tests for add double tunneling GRO/GSO
2026-01-23 11:31:14 -08:00
drop_monitor_tests.sh
selftests: net: lib: Add kill_process
2024-11-15 16:39:19 -08:00
epoll_busy_poll.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
fcnal-ipv4.sh
selftests: net: run groups from fcnal-test in parallel
2025-09-09 15:34:11 -07:00
fcnal-ipv6.sh
selftests: net: run groups from fcnal-test in parallel
2025-09-09 15:34:11 -07:00
fcnal-other.sh
selftests: net: run groups from fcnal-test in parallel
2025-09-09 15:34:11 -07:00
fcnal-test.sh
selftests: net: add ipv6 ping to local address from localhost
2026-01-25 13:16:47 -08:00
fdb_flush.sh
selftests: net: Fix few spelling mistakes
2025-02-18 18:10:31 -08:00
fdb_notify.sh
selftests: net: lib: Rename ip_link_set_master() to adf_*
2025-09-26 17:48:37 -07:00
fib_nexthop_multiprefix.sh
…
fib_nexthop_nongw.sh
…
fib_nexthops.sh
selftests: fib_nexthops: test stale has_v4 on nexthop replace
2026-04-16 13:48:30 +02:00
fib_rule_tests.sh
selftests: net: remove redundant rp_filter configuration
2025-05-12 18:10:55 -07:00
fib_tests.sh
selftests: fib_tests: add temporary IPv6 address renewal test
2026-05-26 17:45:25 -07:00
fib-onlink-tests.sh
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-01-22 20:14:36 -08:00
fin_ack_lat.c
…
fin_ack_lat.sh
…
fq_band_pktlimit.sh
selftests: net: Remove unnecessary backslashes in fq_band_pktlimit.sh
2026-03-26 18:48:44 -07:00
getsockopt_iter.c
selftests: net: getsockopt_iter: cleanup
2026-05-10 10:11:08 -07:00
gre_gso.sh
…
gre_ipv6_lladdr.sh
selftests: Add IPv6 multicast route generation tests for GRE devices.
2025-07-10 18:11:04 -07:00
hwtstamp_config.c
…
icmp_redirect.sh
selftests: net: remove redundant rp_filter configuration
2025-05-12 18:10:55 -07:00
icmp_rfc4884.c
selftests: net: Add kernel selftest for RFC 4884
2026-01-22 18:29:49 -08:00
icmp.sh
…
in_netns.sh
…
io_uring_zerocopy_tx.c
selftests/net: io_uring: fix unknown errnum values
2025-10-17 16:57:53 -07:00
io_uring_zerocopy_tx.sh
selftests: net: io_uring_zerocopy: enable io_uring for the test
2026-03-23 19:58:32 -07:00
ioam6_parser.c
selftests: net: add new ioam tests
2024-10-04 15:34:07 -07:00
ioam6.sh
Revert "ipv6: preserve insertion order for same-scope addresses"
2026-05-29 13:00:54 -07:00
ip6_gre_headroom.sh
…
ip6_tunnel.sh
selftests/net: add test for IP-in-IPv6 tunneling
2026-02-23 17:33:29 -08:00
ip_defrag.c
…
ip_defrag.sh
…
ip_local_port_range.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
ip_local_port_range.sh
selftests/net: ensure mptcp is enabled in netns
2025-02-25 18:13:28 -08:00
ipsec.c
xfrm: Drop support for HMAC-RIPEMD-160
2026-04-07 10:47:58 +02:00
ipv6_flowlabel_mgr.c
…
ipv6_flowlabel.c
…
ipv6_flowlabel.sh
…
ipv6_force_forwarding.sh
ipv6: add force_forwarding sysctl to enable per-interface forwarding
2025-07-25 13:06:19 -07:00
ipv6_fragmentation.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
ipv6_route_update_soft_lockup.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
ipvtap_test.sh
selftests: net: simple selftest for ipvtap
2026-01-19 10:03:31 -08:00
l2_tos_ttl_inherit.sh
…
l2tp.sh
…
lib.sh
selftests: net: Add test for enablement of ports with teamd
2026-04-13 15:09:49 +02:00
link_netns.py
selftests: net: add a test case for nsid in all nsid notifications
2026-05-22 17:11:09 -07:00
lwt_dst_cache_ref_loop.sh
selftests: net: test for lwtunnel dst ref loops
2025-03-20 11:25:52 +01:00
macvlan_mcast_shared_mac.sh
selftests: net: add macvlan multicast test for shared source MAC
2026-03-03 18:08:13 -08:00
Makefile
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-06-04 15:29:04 -07:00
msg_zerocopy.c
selftest: net: extend msg_zerocopy test with forwarding
2025-07-02 15:07:16 -07:00
msg_zerocopy.sh
selftest: net: extend msg_zerocopy test with forwarding
2025-07-02 15:07:16 -07:00
nat6to4.bpf.c
…
nat6to4.sh
selftests: net: add test case for NAT46 looping back dst
2025-06-11 17:02:29 -07:00
ndisc_unsolicited_na_test.sh
…
netdev-l2addr.sh
selftests: net: add netdev-l2addr.sh for testing L2 address functionality
2025-07-11 17:00:18 -07:00
netdevice.sh
selftests: net: Use XFAIL for operations not supported by the driver
2024-08-22 16:56:06 -07:00
netlink-dumps.c
Merge tag 'mm-nonmm-stable-2025-12-06-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-12-06 14:01:20 -08:00
netns-name.sh
selftests: net: use netdevsim in netns test
2025-04-03 15:32:09 -07:00
netns-sysctl.sh
selftests: net: tests net.core.{r,w}mem_{default,max} sysctls in a netns
2024-06-01 16:03:21 -07:00
nettest.c
selftests: nettest: Fix typo in log and error messages for clarity
2025-06-17 16:22:59 -07:00
nk_qlease.py
selftests/net: Add additional test coverage in nk_qlease
2026-04-14 08:17:02 -07:00
nl_netdev.py
selftests: net: add tests for filtered dumps of page pool
2026-05-08 14:54:55 -07:00
nl_nlctrl.py
tools: ynl: rework policy access to support recursion
2026-03-18 16:41:42 -07:00
pmtu.sh
selftests: net: speed up pmtu.sh by avoiding unnecessary cleanup
2025-09-09 16:26:44 -07:00
proc_net_pktgen.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
protodown.sh
selftests: net: Add protodown tests
2026-05-08 16:50:27 -07:00
psock_fanout.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
psock_lib.h
selftests: centralise maybe-unused definition in kselftest.h
2025-09-13 16:55:16 -07:00
psock_snd.c
…
psock_snd.sh
…
psock_tpacket.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
reuseaddr_conflict.c
…
reuseaddr_ports_exhausted.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
reuseaddr_ports_exhausted.sh
…
reuseport_addr_any.c
selftest: net: Remove DCCP bits.
2025-04-11 18:58:10 -07:00
reuseport_addr_any.sh
…
reuseport_bpf_cpu.c
selftests: net: run reuseport in an isolated netns
2026-03-23 19:58:29 -07:00
reuseport_bpf_numa.c
selftests: net: run reuseport in an isolated netns
2026-03-23 19:58:29 -07:00
reuseport_bpf.c
selftests: net: run reuseport in an isolated netns
2026-03-23 19:58:29 -07:00
reuseport_dualstack.c
selftests: net: run reuseport in an isolated netns
2026-03-23 19:58:29 -07:00
route_hint.sh
selftests: net: add test for dst hint mechanism with directed broadcast addresses
2025-08-25 16:07:16 -07:00
route_localnet.sh
…
rps_default_mask.sh
selftests: net: fix spelling and grammar mistakes
2025-09-01 13:08:07 -07:00
rtnetlink_notification.sh
selftest: add selftest for anycast notifications
2025-06-22 17:32:04 +01:00
rtnetlink.py
netlink: specs: rt_addr: pull the ifa- prefix out of the names
2025-04-04 07:36:06 -07:00
rtnetlink.sh
selftests: rtnetlink: Add bridge promiscuity tests
2026-05-27 17:23:05 -07:00
run_afpackettests
…
run_netsocktests
…
rxtimestamp.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
rxtimestamp.sh
…
sample_map_ret0.bpf.c
…
sample_ret0.bpf.c
…
sctp_hello.c
selftests: net: fix server bind failure in sctp_vrf.sh
2025-10-20 16:41:33 -07:00
sctp_vrf.sh
selftests: net: fix server bind failure in sctp_vrf.sh
2025-10-20 16:41:33 -07:00
settings
…
sk_bind_sendto_listen.c
…
sk_connect_zero_addr.c
…
sk_so_peek_off.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
skf_net_off.c
selftests/net: test sk_filter support for SKF_NET_OFF on frags
2025-04-09 20:02:51 -07:00
skf_net_off.sh
selftests/net: test sk_filter support for SKF_NET_OFF on frags
2025-04-09 20:02:51 -07:00
so_incoming_cpu.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
so_netns_cookie.c
…
so_rcv_listener.c
selftests: net: add support for testing SO_RCVMARK and SO_RCVPRIORITY
2025-02-17 16:45:19 -08:00
socket.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
srv6_end_dt4_l3vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
srv6_end_dt6_l3vpn_test.sh
…
srv6_end_dt46_l3vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
srv6_end_dx4_netfilter_test.sh
selftests: add selftest for the SRv6 End.DX4 behavior with netfilter
2024-06-19 18:42:10 +02:00
srv6_end_dx6_netfilter_test.sh
selftests: add selftest for the SRv6 End.DX6 behavior with netfilter
2024-06-19 18:42:10 +02:00
srv6_end_flavors_test.sh
selftests: net: Fix spellings
2025-05-20 18:14:08 -07:00
srv6_end_next_csid_l3vpn_test.sh
selftests: seg6: fix instaces typo in comments
2025-07-01 19:32:45 -07:00
srv6_end_x_next_csid_l3vpn_test.sh
selftests: seg6: fix instaces typo in comments
2025-07-01 19:32:45 -07:00
srv6_hencap_red_l3vpn_test.sh
selftests: add check for seg6 tunsrc
2026-03-26 18:45:29 -07:00
srv6_hl2encap_red_l2vpn_test.sh
selftests: seg6: fix instaces typo in comments
2025-07-01 19:32:45 -07:00
srv6_iptunnel_cache.sh
selftests: seg6: add test for dst_cache isolation in seg6 lwtunnel
2026-04-07 20:20:56 -07:00
stress_reuseport_listen.c
…
stress_reuseport_listen.sh
…
tap.c
selftests: net: fix "buffer overflow detected" for tap.c
2025-12-23 12:30:23 +01:00
tcp_ecmp_failover.sh
selftest: net: Add test for TCP flow failover with ECMP routes.
2026-05-01 17:58:44 -07:00
tcp_fastopen_backup_key.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
tcp_fastopen_backup_key.sh
…
tcp_inq.c
…
tcp_mmap.c
…
tcp_port_share.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
test_bpf.sh
…
test_bridge_backup_port.sh
selftests: net: Test bridge backup port when port is administratively down
2025-08-14 17:45:36 -07:00
test_bridge_neigh_suppress.sh
selftests: net: Add tests for neigh_forward_grat option
2026-05-14 12:42:12 +02:00
test_ingress_egress_chaining.sh
…
test_neigh.sh
selftests: net: Fix flaky neighbor garbage collection test
2025-08-01 13:51:41 -07:00
test_so_rcv.sh
selftests: net: add support for testing SO_RCVMARK and SO_RCVPRIORITY
2025-02-17 16:45:19 -08:00
test_vxlan_fdb_changelink.sh
selftests: net: lib: Rename ip_link_set_up() to adf_*
2025-09-26 17:48:37 -07:00
test_vxlan_mdb.sh
…
test_vxlan_nh.sh
selftests: net: Add a selftest for VXLAN with FDB nexthop groups
2025-09-02 16:57:00 -07:00
test_vxlan_nolocalbypass.sh
…
test_vxlan_under_vrf.sh
…
test_vxlan_vnifilter_notify.sh
selftests: net: add vxlan vnifilter notification test
2026-06-04 08:47:45 -07:00
test_vxlan_vnifiltering.sh
selftests: net: use slowwait to make sure IPv6 setup finished
2025-06-19 15:24:09 +02:00
tfo_passive.sh
selftests: net: fix passive TFO test to fail if child processes failed
2026-01-17 18:01:26 -08:00
tfo.c
selftests: net: improve error handling in passive TFO test
2026-01-17 18:01:26 -08:00
timestamping.c
…
tls.c
selftests: tls: use ASSERT_GE in test_mutliproc
2026-05-22 15:36:51 -07:00
traceroute.sh
selftests: traceroute: Add ICMP extensions tests
2025-10-29 18:28:30 -07:00
tun.c
selftests: net: tun: don't abort XFAIL cases
2026-03-05 07:34:55 -08:00
tuntap_helpers.h
selftest: tun: Introduce tuntap_helpers.h header for TUN/TAP testing
2026-01-23 11:43:28 -08:00
txring_overwrite.c
…
txtimestamp.c
selftests: net: reduce txtimestamp deschedule flakes
2026-01-13 11:46:39 -08:00
txtimestamp.sh
selftests: txtimestamp: add SCM_TS_OPT_ID test
2024-10-04 11:52:20 -07:00
udpgro_bench.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
udpgro_frglist.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
udpgro_fwd.sh
selftest: net: add a test-case for encap segmentation after GRO
2026-02-03 19:23:41 -08:00
udpgro.sh
selftests: net: increase inter-packet timeout in udpgro.sh
2025-07-15 15:26:47 +02:00
udpgso_bench_rx.c
…
udpgso_bench_tx.c
selftests: complete kselftest include centralization
2025-11-27 14:24:31 -08:00
udpgso_bench.sh
selftests/net: call sendmmsg via udpgso_bench.sh
2024-12-04 19:22:20 -08:00
udpgso.c
udp: gso: do not drop small packets when PMTU reduces
2025-02-03 10:13:27 +00:00
udpgso.sh
selftests/net: Add test coverage for UDP GSO software fallback
2024-06-28 18:13:00 -07:00
unicast_extensions.sh
selftests: net: add helper for checking if nettest is available
2024-08-22 12:55:47 +02:00
veth.sh
selftests: net: use the dummy bpf from net/lib
2025-03-31 16:44:25 -07:00
vlan_bridge_binding.sh
selftests: net: check jq command is supported
2025-10-14 15:12:18 +02:00
vlan_hw_filter.sh
selftests: avoid using ifconfig
2025-08-01 14:40:19 -07:00
vrf_route_leaking.sh
selftests: net: use slowwait to stabilize vrf_route_leaking test
2025-06-19 15:24:08 +02:00
vrf_strict_mode_test.sh
…
vrf-xfrm-tests.sh
…
xfrm_policy_add_speed.sh
selftests: add xfrm policy insertion speed test script
2024-08-24 09:55:01 +02:00
xfrm_policy.sh
selftests/net: reduce xfrm_policy test time
2024-05-16 19:30:12 -07:00
xfrm_state.sh
selftests: net: add ICMP error source address test over xfrm tunnel
2026-02-28 15:08:15 -08:00
ynl.mk
selftests: net: move netlink-dumps back to progs
2025-09-08 12:57:05 -07:00