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BUG: KCSAN: data-race in __mod_timer / __mod_timer

write to 0xffff88813b205d10 of 8 bytes by task 3227 on cpu 1:
 __mod_timer+0x625/0x890 kernel/time/timer.c:1121
 mod_timer+0x1f/0x30 kernel/time/timer.c:1190
 mod_peer_timer drivers/net/wireguard/timers.c:37 [inline]
 wg_timers_any_authenticated_packet_traversal+0xc3/0xf0 drivers/net/wireguard/timers.c:215
 wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline]
 wg_packet_tx_worker+0xeb/0x320 drivers/net/wireguard/send.c:276
 process_one_work+0x3e6/0x750 kernel/workqueue.c:2289
 worker_thread+0x5ef/0xa10 kernel/workqueue.c:2436
 kthread+0x1ac/0x1e0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

read to 0xffff88813b205d10 of 8 bytes by task 3234 on cpu 0:
 __mod_timer+0x6e/0x890 kernel/time/timer.c:1033
 mod_timer+0x1f/0x30 kernel/time/timer.c:1190
 mod_peer_timer drivers/net/wireguard/timers.c:37 [inline]
 wg_timers_any_authenticated_packet_traversal+0xc3/0xf0 drivers/net/wireguard/timers.c:215
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:202 [inline]
 wg_packet_handshake_receive_worker+0x4e3/0x5e0 drivers/net/wireguard/receive.c:213
 process_one_work+0x3e6/0x750 kernel/workqueue.c:2289
 worker_thread+0x5ef/0xa10 kernel/workqueue.c:2436
 kthread+0x1ac/0x1e0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0x00000000ffffbc7d -> 0x00000000ffffbc82

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3234 Comm: kworker/0:6 Not tainted 6.2.0-rc8-syzkaller-00021-ge1c04510f521-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
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