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BUG: KCSAN: data-race in blk_mq_request_bypass_insert / blk_mq_run_hw_queue

write to 0xffff888129e76810 of 8 bytes by task 2519 on cpu 0:
 __list_add include/linux/list.h:70 [inline]
 __list_add include/linux/list.h:63 [inline]
 list_add include/linux/list.h:86 [inline]
 blk_mq_request_bypass_insert+0x193/0x1f0 block/blk-mq.c:1694
 blk_mq_sched_insert_request+0x374/0x3c0 block/blk-mq-sched.c:423
 blk_mq_requeue_work+0x349/0x440 block/blk-mq.c:746
 process_one_work+0x424/0x930 kernel/workqueue.c:2268
 worker_thread+0x9a/0x7e0 kernel/workqueue.c:2414
 kthread+0x203/0x230 kernel/kthread.c:268
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

read to 0xffff888129e76810 of 8 bytes by interrupt on cpu 1:
 list_empty_careful include/linux/list.h:301 [inline]
 blk_mq_hctx_has_pending block/blk-mq.c:69 [inline]
 blk_mq_run_hw_queue+0x10a/0x1b0 block/blk-mq.c:1515
 blk_mq_run_hw_queues+0xa2/0xe0 block/blk-mq.c:1537
 scsi_end_request+0x343/0x360 drivers/scsi/scsi_lib.c:615
 scsi_io_completion+0x11e/0xcc0 drivers/scsi/scsi_lib.c:959
 scsi_finish_command+0x283/0x390 drivers/scsi/scsi.c:214
 scsi_softirq_done+0x249/0x270 drivers/scsi/scsi_lib.c:1454
 blk_done_softirq+0x1e6/0x250 block/blk-softirq.c:37
 __do_softirq+0x118/0x34a kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0xb5/0xd0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:546 [inline]
 do_IRQ+0x7b/0x120 arch/x86/kernel/irq.c:263
 ret_from_intr+0x0/0x21
 __tsan_read4+0x0/0x110 kernel/kcsan/core.c:584
 crypto_skcipher_ivsize include/crypto/skcipher.h:251 [inline]
 skcipher_walk_skcipher+0x1b6/0x220 crypto/skcipher.c:470
 skcipher_walk_virt+0x54/0xb0 crypto/skcipher.c:485
 glue_ctr_req_128bit+0x6b/0x620 arch/x86/crypto/glue_helper.c:169

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 6346 Comm: syz-executor.1 Not tainted 5.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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