Disable CONIFG_SMP, kernel crashes at boot time, here is the log. [ 9.593590] nvme 0000:00:03.0: can't allocate MSI-X affinity masks for 1 vectors [ 9.595189] ================================================================== [ 9.595834] BUG: KASAN: null-ptr-deref in blk_mq_init_queue+0x1c/0x70 [ 9.596010] Read of size 4 at addr 0000000000000020 by task kworker/u2:0/5 [ 9.596010] [ 9.596010] CPU: 0 PID: 5 Comm: kworker/u2:0 Not tainted 4.13.0-rc1+ #1 [ 9.596010] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.1-5.el7_3.3 04/01/2014 [ 9.596010] Workqueue: nvme-wq nvme_scan_work [ 9.596010] Call Trace: [ 9.596010] dump_stack+0x19/0x24 [ 9.596010] kasan_report+0xe8/0x350 [ 9.596010] __asan_load4+0x78/0x80 [ 9.596010] blk_mq_init_queue+0x1c/0x70 [ 9.596010] nvme_validate_ns+0x17c/0x620 [ 9.596010] ? nvme_revalidate_disk+0xf0/0xf0 [ 9.596010] ? nvme_submit_sync_cmd+0x30/0x30
