================================================================== BUG: KCSAN: data-race in __mod_timer / expire_timers write to 0xffff88813bd1bd88 of 8 bytes by interrupt on cpu 1: expire_timers+0x164/0x260 kernel/time/timer.c:1458 __run_timers+0x358/0x3f0 kernel/time/timer.c:1731 run_timer_softirq+0x19/0x30 kernel/time/timer.c:1744 __do_softirq+0x13c/0x2c3 kernel/softirq.c:343 run_ksoftirqd+0x13/0x20 kernel/softirq.c:650 smpboot_thread_fn+0x34f/0x520 kernel/smpboot.c:165 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 read to 0xffff88813bd1bd88 of 8 bytes by task 8 on cpu 0: __mod_timer+0x44e/0xc10 kernel/time/timer.c:1035 add_timer+0x38/0x50 kernel/time/timer.c:1142 __queue_delayed_work+0xec/0x150 kernel/workqueue.c:1655 queue_delayed_work_on+0x73/0xb0 kernel/workqueue.c:1680 queue_delayed_work include/linux/workqueue.h:522 [inline] bond_alb_monitor+0xb8e/0xbd0 drivers/net/bonding/bond_alb.c:1621 process_one_work+0x3e1/0x950 kernel/workqueue.c:2275 worker_thread+0x616/0xa70 kernel/workqueue.c:2421 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond2 bond_alb_monitor ==================================================================