==================================================================
BUG: KCSAN: data-race in blk_mq_do_dispatch_sched / blk_mq_request_bypass_insert

write to 0xffff88810213fc10 of 8 bytes by task 72 on cpu 0:
 __list_add include/linux/list.h:72 [inline]
 list_add include/linux/list.h:88 [inline]
 blk_mq_request_bypass_insert+0x6a/0x130 block/blk-mq.c:2164
 blk_mq_sched_insert_request+0xfd/0x220 block/blk-mq-sched.c:460
 blk_mq_requeue_work+0x37b/0x3e0 block/blk-mq.c:1118
 process_one_work+0x3fc/0x980 kernel/workqueue.c:2298
 worker_thread+0x616/0xa70 kernel/workqueue.c:2445
 kthread+0x2c7/0x2e0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30

read to 0xffff88810213fc10 of 8 bytes by task 39 on cpu 1:
 list_empty_careful include/linux/list.h:321 [inline]
 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:138 [inline]
 blk_mq_do_dispatch_sched+0x167/0x6d0 block/blk-mq-sched.c:212
 __blk_mq_sched_dispatch_requests+0x1ca/0x270
 blk_mq_sched_dispatch_requests+0x9f/0x110 block/blk-mq-sched.c:358
 __blk_mq_run_hw_queue+0xc1/0x140 block/blk-mq.c:1785
 blk_mq_run_work_fn+0x3d/0x50 block/blk-mq.c:2117
 process_one_work+0x3fc/0x980 kernel/workqueue.c:2298
 worker_thread+0x616/0xa70 kernel/workqueue.c:2445
 kthread+0x2c7/0x2e0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30

value changed: 0xffff88810213fc08 -> 0xffff888101faa448

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 39 Comm: kworker/1:1H Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: kblockd blk_mq_run_work_fn
==================================================================