================================================================== BUG: KCSAN: data-race in blk_mq_sched_dispatch_requests / blk_mq_sched_dispatch_requests read-write to 0xffff888100fcbf50 of 8 bytes by task 291 on cpu 1: blk_mq_sched_dispatch_requests+0x8a/0x100 block/blk-mq-sched.c:327 blk_mq_run_hw_queue+0x2a4/0x4c0 block/blk-mq.c:2264 blk_mq_run_hw_queues+0x161/0x1e0 block/blk-mq.c:2313 blk_mq_requeue_work+0x408/0x430 block/blk-mq.c:1498 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 read-write to 0xffff888100fcbf50 of 8 bytes by task 44 on cpu 0: blk_mq_sched_dispatch_requests+0x8a/0x100 block/blk-mq-sched.c:327 blk_mq_run_work_fn+0x65/0xe0 block/blk-mq.c:2434 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 value changed: 0x0000000000005691 -> 0x0000000000005692 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 44 Comm: kworker/0:1H Not tainted 6.7.0-syzkaller-04629-g3e7aeb78ab01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: kblockd blk_mq_run_work_fn ==================================================================