==================================================================
BUG: KCSAN: data-race in __mod_timer / __mod_timer

write to 0xffff888138cab450 of 8 bytes by task 29918 on cpu 0:
 __mod_timer+0x5fd/0x860 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+0xd2/0x100 drivers/net/wireguard/timers.c:215
 wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline]
 wg_packet_tx_worker+0xe9/0x360 drivers/net/wireguard/send.c:276
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2703
 worker_thread+0x525/0x730 kernel/workqueue.c:2784
 kthread+0x1d7/0x210 kernel/kthread.c:388
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

read to 0xffff888138cab450 of 8 bytes by task 32023 on cpu 1:
 __mod_timer+0x6e/0x860 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+0xd2/0x100 drivers/net/wireguard/timers.c:215
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:202 [inline]
 wg_packet_handshake_receive_worker+0x4dd/0x5e0 drivers/net/wireguard/receive.c:213
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2703
 worker_thread+0x525/0x730 kernel/workqueue.c:2784
 kthread+0x1d7/0x210 kernel/kthread.c:388
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

value changed: 0x000000010002f13c -> 0x000000010002f140

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 32023 Comm: kworker/1:3 Not tainted 6.6.0-rc3-syzkaller-00165-g3b517966c561 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
==================================================================