================================================================== BUG: KCSAN: data-race in __mod_timer / __mod_timer write to 0xffff8881316f2510 of 8 bytes by task 3343 on cpu 1: __mod_timer+0x6fd/0xc10 kernel/time/timer.c:1105 mod_timer+0x1b/0x20 kernel/time/timer.c:1161 mod_peer_timer drivers/net/wireguard/timers.c:37 [inline] wg_timers_any_authenticated_packet_traversal+0xc0/0xe0 drivers/net/wireguard/timers.c:215 wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline] wg_packet_tx_worker+0xf7/0x360 drivers/net/wireguard/send.c:276 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 read to 0xffff8881316f2510 of 8 bytes by task 35 on cpu 0: __mod_timer+0x7d/0xc10 kernel/time/timer.c:1033 mod_timer+0x1b/0x20 kernel/time/timer.c:1161 mod_peer_timer drivers/net/wireguard/timers.c:37 [inline] wg_timers_any_authenticated_packet_traversal+0xc0/0xe0 drivers/net/wireguard/timers.c:215 wg_receive_handshake_packet drivers/net/wireguard/receive.c:209 [inline] wg_packet_handshake_receive_worker+0x516/0x6a0 drivers/net/wireguard/receive.c:220 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 value changed: 0x00000000ffffd31c -> 0x00000000ffffd369 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 35 Comm: kworker/0:1 Not tainted 5.19.0-rc7-syzkaller-00135-g68e77ffbfd06-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker ==================================================================