IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
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BUG: KCSAN: data-race in wg_packet_send_staged_packets / wg_packet_send_staged_packets

write to 0xffff8880a4c6ba08 of 4 bytes by task 9874 on cpu 1:
 wg_cpumask_next_online drivers/net/wireguard/queueing.h:141 [inline]
 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:160 [inline]
 wg_packet_create_data drivers/net/wireguard/send.c:321 [inline]
 wg_packet_send_staged_packets+0x8dd/0xd90 drivers/net/wireguard/send.c:393
 wg_packet_send_keepalive+0x3f/0x140 drivers/net/wireguard/send.c:237
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:193 [inline]
 wg_packet_handshake_receive_worker+0x505/0x510 drivers/net/wireguard/receive.c:220
 process_one_work+0x424/0x930 kernel/workqueue.c:2268
 worker_thread+0x9a/0x7e0 kernel/workqueue.c:2414
 kthread+0x203/0x230 kernel/kthread.c:268
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

read to 0xffff8880a4c6ba08 of 4 bytes by task 4112 on cpu 0:
 wg_cpumask_next_online drivers/net/wireguard/queueing.h:137 [inline]
 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:160 [inline]
 wg_packet_create_data drivers/net/wireguard/send.c:321 [inline]
 wg_packet_send_staged_packets+0x88c/0xd90 drivers/net/wireguard/send.c:393
 wg_packet_send_keepalive+0x3f/0x140 drivers/net/wireguard/send.c:237
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:193 [inline]
 wg_packet_handshake_receive_worker+0x505/0x510 drivers/net/wireguard/receive.c:220
 process_one_work+0x424/0x930 kernel/workqueue.c:2268
 worker_thread+0x9a/0x7e0 kernel/workqueue.c:2414
 kthread+0x203/0x230 kernel/kthread.c:268
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 4112 Comm: kworker/0:2 Not tainted 5.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker
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