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Heran Yang 9a4abe9909 network: find pending address in IPv4 ACD callback 
When IPv4 ACD is enabled for a DHCPv4 address, the address remains in
the request queue until ACD succeeds. Hence, when ACD detects a
conflict, the address may not be present in link->addresses yet.

on_acd() currently looks up the address with address_get(), which only
searches link->addresses. This makes the callback return early and
prevents dhcp4_address_on_conflict() from sending DHCPDECLINE.

Use address_get_harder(), which also looks up pending address requests.

Fixes #39460

(cherry picked from commit 2aed6d9ad7)
2026-10-16 11:36:32 +01:00
..
generator
network: honor --root= for picked up credentials
2026-09-04 14:22:25 +09:00
netdev
network/netdev: add a NULL check
2026-09-10 01:00:04 +09:00
tc
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
wait-online
tree-wide: format man page references as foo(1)
2026-08-28 06:34:45 +09:00
fuzz-netdev-parser.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
fuzz-netdev-parser.options
…
fuzz-network-parser.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
fuzz-network-parser.options
…
meson.build
network: add IPv4ProxyARPAddress= and consolidate proxy ARP/NDP handling
2026-07-16 01:23:40 +09:00
networkctl-address-label.c
tree-wide: print error if table_print() fails
2026-04-03 13:05:03 +02:00
networkctl-address-label.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-config-file.c
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkctl-config-file.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-description.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
networkctl-description.h
networkctl: split networkctl.c into small pieces
2024-08-22 01:12:39 +09:00
networkctl-dhcp-lease.c
networkctl: add dhcp-lease verb to dump DHCP lease
2026-05-17 21:02:20 +09:00
networkctl-dhcp-lease.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-dump-util.c
networkctl: always use DHCP message serialized in JSON desciption
2026-05-17 01:31:42 +09:00
networkctl-dump-util.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-journal.c
tree-wide: Clean up includes
2025-05-22 21:10:15 +02:00
networkctl-journal.h
networkctl: split networkctl.c into small pieces
2024-08-22 01:12:39 +09:00
networkctl-link-info-json.c
networkctl: load information about DHCP client from varlink
2026-05-16 08:05:01 +09:00
networkctl-link-info-json.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-link-info.c
networkctl: load information about DHCP client from varlink
2026-05-16 08:05:01 +09:00
networkctl-link-info.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-list.c
tree-wide: print error if table_print() fails
2026-04-03 13:05:03 +02:00
networkctl-list.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-lldp.c
tree-wide: print error if table_print() fails
2026-04-03 13:05:03 +02:00
networkctl-lldp.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-misc.c
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkctl-misc.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-status-link.c
cleanup: VLAN Id -> VLAN ID
2026-05-21 17:42:29 +09:00
networkctl-status-link.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-status-system.c
networkctl: always use DHCP message serialized in JSON desciption
2026-05-17 01:31:42 +09:00
networkctl-status-system.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkctl-util.c
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkctl-util.h
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkctl.c
shared/verbs: turn verb argument specification into nulstr
2026-08-28 09:29:04 +02:00
networkctl.h
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkd-address-generation.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
networkd-address-generation.h
tree-wide: Introduce DECLARE_TRIVIAL_REF_UNREF_FUNC() and friends
2026-01-02 04:04:19 +09:00
networkd-address-label.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
networkd-address-label.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-address-pool.c
tree-wide: Clean up more includes
2025-05-26 11:16:40 +02:00
networkd-address-pool.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-address.c
network: disable IPv4ACD when the address request is cancelled
2026-10-16 11:36:32 +01:00
networkd-address.h
tree-wide: Introduce DECLARE_TRIVIAL_REF_UNREF_FUNC() and friends
2026-01-02 04:04:19 +09:00
networkd-bridge-fdb.c
cleanup: VLAN Id -> VLAN ID
2026-05-21 17:42:29 +09:00
networkd-bridge-fdb.h
tree-wide: Various forward header cleanups
2025-10-17 21:11:23 +09:00
networkd-bridge-mdb.c
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-bridge-mdb.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-bridge-vlan.c
network: fix typo
2026-07-20 16:23:04 +09:00
networkd-bridge-vlan.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-can.c
tree-wide: reindent arguments of conf parsers
2025-06-24 00:20:20 +09:00
networkd-can.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-conf.c
network: re-implement DHCP relay support with new sd-dhcp-relay
2026-05-21 16:55:59 +09:00
networkd-conf.h
tree-wide: Fix declaration/definition parameter name mismatches
2025-11-26 19:02:31 +09:00
networkd-dhcp4-bus.c
tree-wide: Clean up more includes
2025-05-26 11:16:40 +02:00
networkd-dhcp4-bus.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-dhcp4.c
network: drop pending requests when a DHCP lease is lost or a client is stopped
2026-10-16 11:36:32 +01:00
networkd-dhcp4.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-dhcp6-bus.c
tree-wide: Clean up more includes
2025-05-26 11:16:40 +02:00
networkd-dhcp6-bus.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-dhcp6.c
network: drop pending requests when a DHCP lease is lost or a client is stopped
2026-10-16 11:36:32 +01:00
networkd-dhcp6.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-dhcp-common.c
networkd: add RouteTable= to [DHCPv6] section
2026-05-20 03:03:33 +09:00
networkd-dhcp-common.h
networkd: add RouteTable= to [DHCPv6] section
2026-05-20 03:03:33 +09:00
networkd-dhcp-prefix-delegation.c
network: drop pending requests when a DHCP lease is lost or a client is stopped
2026-10-16 11:36:32 +01:00
networkd-dhcp-prefix-delegation.h
network: fix NFTSet population when [DHCPPrefixDelegation] Assign=no (#40049)
2026-01-30 23:38:13 +09:00
networkd-dhcp-relay.c
network: drop use of legacy DHCP relay agent in sd-dhcp-server
2026-05-21 16:55:59 +09:00
networkd-dhcp-relay.h
network: drop use of legacy DHCP relay agent in sd-dhcp-server
2026-05-21 16:55:59 +09:00
networkd-dhcp-server-bus.c
dhcp: introduce dhcp-forward.h
2026-05-22 23:06:54 +09:00
networkd-dhcp-server-bus.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-dhcp-server-static-lease.c
networkd: keep static lease section valid on MACAddress= reset
2026-04-08 13:57:39 +02:00
networkd-dhcp-server-static-lease.h
sd-dhcp-server: Add Hostname= option to static leases
2025-11-14 07:50:13 +09:00
networkd-dhcp-server.c
network: drop use of legacy DHCP relay agent in sd-dhcp-server
2026-05-21 16:55:59 +09:00
networkd-dhcp-server.h
network: drop use of legacy DHCP relay agent in sd-dhcp-server
2026-05-21 16:55:59 +09:00
networkd-dns.c
network: use dns_name_hash_ops_free to manage domains
2025-06-14 00:17:14 +09:00
networkd-dns.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-forward.h
Rename basic-forward.h, sd-forward.h, and shared-forward.h to forward.h
2026-07-15 02:18:05 +09:00
networkd-gperf.gperf
network: re-implement DHCP relay support with new sd-dhcp-relay
2026-05-21 16:55:59 +09:00
networkd-ipv4acd.c
network: find pending address in IPv4 ACD callback
2026-10-16 11:36:32 +01:00
networkd-ipv4acd.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-ipv4ll.c
tree-wide: fix log messages using %m without an errno
2025-11-18 12:27:59 +01:00
networkd-ipv4ll.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-ipv6ll.c
network: honour static IPv6LL addresses in network_adjust_*()
2026-05-15 03:30:01 +09:00
networkd-ipv6ll.h
network: honour static IPv6LL addresses in network_adjust_*()
2026-05-15 03:30:01 +09:00
networkd-json.c
dhcp: introduce dhcp-forward.h
2026-05-22 23:06:54 +09:00
networkd-json.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-link-bus.c
network: mention interface name in polkit details
2026-05-29 04:34:18 +09:00
networkd-link-bus.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-link-varlink.c
network: mention interface name in polkit details
2026-05-29 04:34:18 +09:00
networkd-link-varlink.h
network: add io.systemd.Network.Link.Describe() Varlink method
2026-03-18 22:55:52 +00:00
networkd-link.c
network: disable IPv4ACD when the address request is cancelled
2026-10-16 11:36:32 +01:00
networkd-link.h
network: add a configuration-source filter to link_drop_requests()
2026-10-16 11:36:32 +01:00
networkd-lldp-rx.c
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-lldp-rx.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-lldp-tx.c
network/lldp-tx: also emit VLAN ID
2025-06-18 00:53:24 +09:00
networkd-lldp-tx.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-manager-bus.c
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkd-manager-bus.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-manager-varlink.c
varlink: introduce io.systemd.service.GetLogLevel
2026-08-24 11:54:44 -04:00
networkd-manager-varlink.h
networkd: rename manager_connect_varlink() → manager_varlink_init()
2025-11-15 07:52:42 +01:00
networkd-manager.c
network: register already enslaved interfaces when their master appears (#43557)
2026-09-01 18:28:43 +09:00
networkd-manager.h
networkctl,networkd: add --no-reconfigure flag to networkctl reload
2026-07-20 14:35:04 +09:00
networkd-ndisc.c
network: drop pending requests when a DHCP lease is lost or a client is stopped
2026-10-16 11:36:32 +01:00
networkd-ndisc.h
network: re-solicit RAs when the link MAC changes
2026-08-20 04:05:12 +09:00
networkd-neighbor-proxy.c
network: adjust sysctl setting in network_adjust_neighbor_proxy()
2026-08-17 17:17:18 +09:00
networkd-neighbor-proxy.h
network: adjust sysctl setting in network_adjust_neighbor_proxy()
2026-08-17 17:17:18 +09:00
networkd-neighbor.c
network: fix log message
2026-06-11 16:32:25 +02:00
networkd-neighbor.h
tree-wide: Introduce DECLARE_TRIVIAL_REF_UNREF_FUNC() and friends
2026-01-02 04:04:19 +09:00
networkd-netlabel.c
basic: Use hyphens in missing header names instead of underscores
2025-07-13 12:41:14 +02:00
networkd-netlabel.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-network-bus.c
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-network-bus.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-network-gperf.gperf
network: unify IPv4ProxyARPAddress= and IPv6ProxyNDPAddress=
2026-08-17 16:58:03 +09:00
networkd-network.c
network: make VLAN= and friends take multiple names
2026-07-24 13:44:04 +09:00
networkd-network.h
network: add IPv4ProxyARPAddress= and consolidate proxy ARP/NDP handling
2026-07-16 01:23:40 +09:00
networkd-nexthop.c
many: fix remaining check-pointer-deref issues
2026-04-12 15:27:15 +02:00
networkd-nexthop.h
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
networkd-ntp.c
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-ntp.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-queue.c
network: cancel netlink calls for detached requests
2026-07-15 19:21:18 +01:00
networkd-queue.h
network: cancel netlink calls for detached requests
2026-07-15 19:21:18 +01:00
networkd-radv.c
network: restart DHCPv6, NDisc, and RADV when tracked IPv6LL is dropped
2026-05-21 17:39:30 +09:00
networkd-radv.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-resolve-hook.c
network: use higher log level when we cannot bind resolve hook varlink socket
2026-02-18 17:57:32 +09:00
networkd-resolve-hook.h
networkd: add support for resolved hook for DHCP server
2025-11-15 07:52:42 +01:00
networkd-route-metric.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
networkd-route-metric.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-route-nexthop.c
network: compare all multipath route nexthops
2026-07-15 19:11:08 +01:00
networkd-route-nexthop.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-route-util.c
network: update route protocol string table
2026-09-07 19:08:35 +09:00
networkd-route-util.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-route.c
many: fix remaining check-pointer-deref issues
2026-04-12 15:27:15 +02:00
networkd-route.h
tree-wide: Introduce DECLARE_TRIVIAL_REF_UNREF_FUNC() and friends
2026-01-02 04:04:19 +09:00
networkd-routing-policy-rule.c
network: fix log message
2026-06-11 16:32:25 +02:00
networkd-routing-policy-rule.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-serialize.c
json-util: generalize json_dispatch_address_family
2026-06-26 09:12:10 -04:00
networkd-serialize.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-setlink.c
network: introduce link_is_up() helper function
2026-03-09 10:57:06 +09:00
networkd-setlink.h
network: implement varlink LinkUp and LinkDown methods
2026-02-16 14:28:52 +09:00
networkd-speed-meter.c
network: extract link_get_bit_rates() into networkd-speed-meter.c
2026-03-18 22:55:52 +00:00
networkd-speed-meter.h
network: extract link_get_bit_rates() into networkd-speed-meter.c
2026-03-18 22:55:52 +00:00
networkd-sriov.c
network: implement refcounting for SR-IOV objects
2026-07-06 13:42:22 +01:00
networkd-sriov.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-state-file.c
network: initialize dot_servers before CLEANUP_ARRAY
2026-07-06 13:42:21 +01:00
networkd-state-file.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-sysctl.c
network: introduce and use sysctl_write_ip_property_tristate() helper function
2026-08-17 17:18:57 +09:00
networkd-sysctl.h
string-table: Introduce DECLARE_STRING_TABLE_LOOKUP() and friends
2026-01-02 04:05:45 +09:00
networkd-util.c
network: add ModemManager support
2026-02-16 13:22:21 +09:00
networkd-util.h
network: add ModemManager support
2026-02-16 13:22:21 +09:00
networkd-varlink-metrics.c
networkd: report per-interface addresses as io.systemd.Network.Address
2026-06-20 10:37:47 +02:00
networkd-varlink-metrics.h
metrics: add networkd related metrics
2026-02-18 17:58:33 +09:00
networkd-wifi.c
tree-wide: normalize comment style
2025-12-15 08:50:13 +09:00
networkd-wifi.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-wiphy.c
tree-wide: rename unref_and_replace_full to unref_and_replace_new_ref
2026-05-08 11:14:13 +02:00
networkd-wiphy.h
network: Clean up includes
2025-05-22 02:15:43 +09:00
networkd-wwan-bus.c
network: fix modem Bearers/Ports property signatures
2026-06-11 09:43:09 +02:00
networkd-wwan-bus.h
network: add ModemManager support
2026-02-16 13:22:21 +09:00
networkd-wwan.c
libsystemd-network: use DEFINE_POINTER_ARRAY_FREE_FUNC, rename cleanup function
2026-04-10 15:08:02 +02:00
networkd-wwan.h
network: Rename ModemManager .network section WRT tech, not project...
2026-03-04 12:42:19 +01:00
networkd.c
tree-wide: format man page references as foo(1)
2026-08-28 06:34:45 +09:00
networkd.conf
network: add skelton for new DHCP relay settings
2026-05-26 18:51:26 +01:00
org.freedesktop.network1.conf
…
org.freedesktop.network1.policy
network: slightly reword polkit message
2026-03-06 04:43:30 +09:00
org.freedesktop.network1.service
…
systemd-networkd.pkla
networkd: allow systemd-network user to control ModemManager
2026-09-03 18:05:17 +09:00
systemd-networkd.rules
networkd: allow systemd-network user to control ModemManager
2026-09-03 18:05:17 +09:00
test-modem-manager-mock.c
tests: convert manual test binaries to VERB_COMMAND and --introspect-cli
2026-08-28 14:50:10 +02:00
test-network-tables.c
network/tunnel: rename Ip6TnlMode to TunnelMode
2025-06-16 16:58:38 +09:00
test-network.c
network: cancel netlink calls for detached requests
2026-07-15 19:21:18 +01:00
test-networkd-address.c
test: skip verification for racy test cases
2025-07-28 03:37:31 +09:00
test-networkd-conf.c
network: make VLAN= and friends take multiple names
2026-07-24 13:44:04 +09:00
test-networkd-util.c
…