================================================================== BUG: KCSAN: data-race in __mod_timer / __mod_timer write to 0xffff88811c4f5e88 of 8 bytes by interrupt on cpu 1: __mod_timer+0x7a3/0x860 kernel/time/timer.c:1073 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_consume_data_done drivers/net/wireguard/receive.c:354 [inline] wg_packet_rx_poll+0x791/0xf00 drivers/net/wireguard/receive.c:474 __napi_poll+0x60/0x3b0 net/core/dev.c:6536 napi_poll net/core/dev.c:6605 [inline] net_rx_action+0x32b/0x750 net/core/dev.c:6738 __do_softirq+0xc4/0x279 kernel/softirq.c:553 do_softirq+0x5e/0x90 kernel/softirq.c:454 __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] macvlan_process_broadcast+0x138/0x310 drivers/net/macvlan.c:332 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2700 worker_thread+0x525/0x730 kernel/workqueue.c:2781 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:242 read to 0xffff88811c4f5e88 of 8 bytes by task 3189 on cpu 0: __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_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:2627 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2700 worker_thread+0x525/0x730 kernel/workqueue.c:2781 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:242 value changed: 0x00000000ffff9d61 -> 0x00000000ffff9d6f Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3189 Comm: kworker/0:6 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: wg-crypt-wg2 wg_packet_tx_worker ==================================================================