GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog ================================================================== BUG: KCSAN: data-race in __mod_timer / timer_clear_idle write to 0xffff88812c01cb24 of 1 bytes by task 0 on cpu 0: timer_clear_idle+0x2e/0x40 kernel/time/timer.c:1686 tick_nohz_restart_sched_tick kernel/time/tick-sched.c:860 [inline] __tick_nohz_idle_restart_tick+0x20/0x190 kernel/time/tick-sched.c:1161 tick_nohz_idle_exit+0x13c/0x290 kernel/time/tick-sched.c:1202 do_idle+0x2c5/0x310 kernel/sched/idle.c:289 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:372 rest_init+0xd8/0xe0 init/main.c:705 arch_call_rest_init+0xa/0xb start_kernel+0x608/0x6d0 init/main.c:1043 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 read to 0xffff88812c01cb24 of 1 bytes by task 24220 on cpu 1: forward_timer_base kernel/time/timer.c:899 [inline] __mod_timer+0xa5b/0x1020 kernel/time/timer.c:1020 add_timer+0x38/0x50 kernel/time/timer.c:1147 __queue_delayed_work+0xea/0x150 kernel/workqueue.c:1649 queue_delayed_work_on+0x8d/0xe0 kernel/workqueue.c:1674 queue_delayed_work include/linux/workqueue.h:522 [inline] bond_alb_monitor+0x9bf/0xa00 drivers/net/bonding/bond_alb.c:1618 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 24220 Comm: kworker/u4:3 Not tainted 5.8.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond2 bond_alb_monitor ==================================================================