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BUG: KCSAN: assert: race in __block_task kernel/sched/sched.h:2634 [inline]
BUG: KCSAN: assert: race in dequeue_entities+0x6df/0x760 kernel/sched/fair.c:7168

race at unknown origin, with assert no writes to 0xffff8881076aa168 of 4 bytes by task 4266 on cpu 0:
 __block_task kernel/sched/sched.h:2634 [inline]
 dequeue_entities+0x6df/0x760 kernel/sched/fair.c:7168
 pick_next_entity kernel/sched/fair.c:5618 [inline]
 pick_task_fair kernel/sched/fair.c:8847 [inline]
 pick_next_task_fair+0x7d/0x410 kernel/sched/fair.c:8867
 __pick_next_task kernel/sched/core.c:5888 [inline]
 pick_next_task kernel/sched/core.c:6410 [inline]
 __schedule+0x27c/0x940 kernel/sched/core.c:6561
 __schedule_loop kernel/sched/core.c:6684 [inline]
 schedule+0x55/0xc0 kernel/sched/core.c:6699
 synchronize_rcu_expedited+0x611/0x7a0 kernel/rcu/tree_exp.h:991
 synchronize_net+0x2d/0x50 net/core/dev.c:11278
 dev_deactivate_many+0x3fe/0x6e0 net/sched/sch_generic.c:1371
 dev_deactivate+0x9a/0x100 net/sched/sch_generic.c:1397
 linkwatch_do_dev+0xb1/0xf0 net/core/link_watch.c:175
 __linkwatch_run_queue+0x284/0x510 net/core/link_watch.c:234
 linkwatch_event+0x40/0x50 net/core/link_watch.c:277
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310
 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391
 kthread+0x1d1/0x210 kernel/kthread.c:389
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 4266 Comm: kworker/u8:21 Tainted: G        W          6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events_unbound linkwatch_event
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