================================================================== BUG: KCSAN: data-race in blk_mq_sched_dispatch_requests / blk_mq_sched_dispatch_requests write to 0xffff88812a3fd950 of 8 bytes by task 2493 on cpu 1: blk_mq_sched_dispatch_requests+0x118/0x380 block/blk-mq-sched.c:181 __blk_mq_run_hw_queue+0xb7/0x160 block/blk-mq.c:1403 blk_mq_run_work_fn+0x57/0x70 block/blk-mq.c:1636 process_one_work+0x3d4/0x890 kernel/workqueue.c:2269 worker_thread+0xa0/0x800 kernel/workqueue.c:2415 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffff88812a3fd950 of 8 bytes by task 2494 on cpu 0: blk_mq_sched_dispatch_requests+0x104/0x380 block/blk-mq-sched.c:181 __blk_mq_run_hw_queue+0xb7/0x160 block/blk-mq.c:1403 __blk_mq_delay_run_hw_queue+0x31b/0x3a0 block/blk-mq.c:1471 blk_mq_run_hw_queue+0x103/0x1c0 block/blk-mq.c:1508 blk_mq_run_hw_queues+0xac/0xf0 block/blk-mq.c:1525 blk_mq_requeue_work+0x3a9/0x460 block/blk-mq.c:775 process_one_work+0x3d4/0x890 kernel/workqueue.c:2269 worker_thread+0xa0/0x800 kernel/workqueue.c:2415 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2494 Comm: kworker/0:1H Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kblockd blk_mq_requeue_work ==================================================================