blktests srp/005 fails with NMI on v5.17-rc7

gistfile1.txt

[   54.610247] scsi 3:0:0:1: Direct-Access     LIO-ORG  IBLOCK           4.0  PQ: 0 ANSI: 6
[   54.611458] sd 3:0:0:2: alua: transition timeout set to 60 seconds
[   54.611703] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[   54.611978] sd 3:0:0:0: [sdb] Optimal transfer size 126976 bytes
[   54.613976] scsi 3:0:0:1: alua: supports implicit and explicit TPGS
[   54.615886] sd 3:0:0:2: alua: port group 00 state A non-preferred supports TOlUSNA
[   54.618618] scsi 3:0:0:1: alua: device naa.60014056e756c6c62310000000000000 port group 0 rel port 1
[   54.648153] sd 3:0:0:1: Attached scsi generic sg3 type 0
[   54.648838] sd 3:0:0:1: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[   54.659422] sd 3:0:0:1: alua: transition timeout set to 60 seconds
[   54.660506] sd 3:0:0:1: [sdd] 65536 512-byte logical blocks: (33.6 MB/32.0 MiB)
[   54.660612] sd 3:0:0:1: [sdd] Write Protect is off
[   54.660793] sd 3:0:0:1: [sdd] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[   54.660965] sd 3:0:0:1: [sdd] Optimal transfer size 126976 bytes
[   54.661544] sd 3:0:0:1: alua: port group 00 state A non-preferred supports TOlUSNA
[   54.672659] scsi host4: ib_srp: Already connected to target port with id_ext=505400fffea6d62d;ioc_guid=505400fffea6d62d;dest=fe80:0000:0000:0000:5054:00ff:fea6:d62d
[   75.690784] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[   75.692627] rcu:     6-...0: (1 GPs behind) idle=0d9/1/0x4000000000000000 softirq=5626/5670 fqs=2354
[   75.693952]  (detected by 4, t=5252 jiffies, g=6857, q=8015)
[   75.694989] Sending NMI from CPU 4 to CPUs 6:
[   75.695853] NMI backtrace for cpu 6
[   75.695866] CPU: 6 PID: 174 Comm: kworker/u16:4 Kdump: loaded Tainted: G            E     5.17.0-rc7 #1
[   75.695871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
[   75.695886] Workqueue: events_unbound async_run_entry_fn
[   75.695926] RIP: 0010:native_queued_spin_lock_slowpath+0x28/0x200
[   75.695939] Code: 00 00 0f 1f 44 00 00 41 54 55 53 48 89 fb 66 90 ba 01 00 00 00 8b 03 85 c0 75 0d f0 0f b1 13 85 c0 75 f2 5b 5d 41 5c c3 f3 90 <eb> e9 81 fe 00 01 00 00 74 45 40 30 f6 85 f6 75 67 f0 0f ba 2b 08
[   75.695940] RSP: 0018:ffffafa8401cce58 EFLAGS: 00000002
[   75.695942] RAX: 0000000000000001 RBX: ffff95c984f7a210 RCX: 0000000000000005
[   75.695945] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff95c984f7a210
[   75.695946] RBP: ffff95c984f7a200 R08: ffff95c9a4ae4b78 R09: 0000000000000e00
[   75.695947] R10: ffffffff9b2060c0 R11: ffffafa8401ccff8 R12: 0000000000000282
[   75.695948] R13: ffff95c987d727e0 R14: ffff95c98e5b32e0 R15: ffff95c984f7a210
[   75.695949] FS:  0000000000000000(0000) GS:ffff95cab7d80000(0000) knlGS:0000000000000000
[   75.695950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.695951] CR2: 00007f705803aad0 CR3: 000000010d40a002 CR4: 0000000000770ee0
[   75.695954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   75.695955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   75.695955] PKRU: 55555554
[   75.695958] Call Trace:
[   75.695969]  <IRQ>
[   75.695975]  _raw_spin_lock_irqsave+0x44/0x50
[   75.696022]  srp_recv_done+0x11e/0x480 [ib_srp]
[   75.696035]  ? _raw_spin_lock_bh+0x13/0x30
[   75.696042]  __ib_process_cq+0x83/0x180 [ib_core]
[   75.696115]  ib_poll_handler+0x2b/0xc0 [ib_core]
[   75.696126]  irq_poll_softirq+0x8e/0x120
[   75.696146]  __do_softirq+0xec/0x2ea
[   75.696154]  do_softirq.part.0+0x9b/0xd0
[   75.696163]  </IRQ>
[   75.696163]  <TASK>
[   75.696164]  __local_bh_enable_ip+0x73/0x80
[   75.696168]  rxe_poll_cq+0xed/0x100 [rdma_rxe]
[   75.696189]  __ib_process_cq+0x54/0x180 [ib_core]
[   75.696200]  ib_process_cq_direct+0x2c/0x50 [ib_core]
[   75.696211]  ? _raw_spin_unlock_irqrestore+0x25/0x40
[   75.696214]  ? try_to_wake_up+0x94/0x520
[   75.696219]  ? _raw_spin_unlock_irqrestore+0x25/0x40
[   75.696221]  ? _raw_spin_lock_irqsave+0x26/0x50
[   75.696223]  ? _raw_spin_unlock_irqrestore+0x25/0x40
[   75.696225]  ? try_to_wake_up+0x94/0x520
[   75.696227]  ? __tasklet_schedule_common+0x92/0xa0
[   75.696229]  ? rxe_post_send+0x2ec/0x480 [rdma_rxe]
[   75.696233]  ? srp_post_send+0x81/0xb0 [ib_srp]
[   75.696236]  __srp_get_tx_iu+0x20/0xa0 [ib_srp]
[   75.696239]  srp_queuecommand+0xbe/0x98a [ib_srp]
[   75.696246]  ? scsi_alloc_sgtables+0xb9/0x3f0 [scsi_mod]
[   75.696283]  scsi_queue_rq+0x37b/0xb10 [scsi_mod]
[   75.696297]  blk_mq_dispatch_rq_list+0x1ef/0x890
[   75.696314]  ? kthread+0xe5/0x110
[   75.696321]  __blk_mq_sched_dispatch_requests+0xb0/0x140
[   75.696330]  blk_mq_sched_dispatch_requests+0x30/0x60
[   75.696331]  __blk_mq_run_hw_queue+0x35/0x90
[   75.696336]  __blk_mq_delay_run_hw_queue+0x178/0x1b0
[   75.696339]  blk_execute_rq+0x53/0xf0
[   75.696342]  __scsi_execute+0x127/0x290 [scsi_mod]
[   75.696352]  scsi_mode_sense+0x121/0x2f0 [scsi_mod]
[   75.696360]  sd_revalidate_disk.isra.0+0x1681/0x23f0 [sd_mod]
[   75.696375]  sd_probe+0x31a/0x4d0 [sd_mod]
[   75.696390]  really_probe+0x1f2/0x3d0
[   75.696408]  __driver_probe_device+0xfe/0x180
[   75.696410]  driver_probe_device+0x1e/0x90
[   75.696412]  __device_attach_driver+0x72/0xe0
[   75.696415]  ? driver_allows_async_probing+0x50/0x50
[   75.696417]  ? driver_allows_async_probing+0x50/0x50
[   75.696418]  bus_for_each_drv+0x7b/0xc0
[   75.696423]  __device_attach_async_helper+0x9f/0xe0
[   75.696432]  process_one_work+0x1e2/0x3b0
[   75.696435]  worker_thread+0x50/0x3a0
[   75.696436]  ? rescuer_thread+0x390/0x390
[   75.696438]  kthread+0xe5/0x110
[   75.696440]  ? kthread_complete_and_exit+0x20/0x20
[   75.696443]  ret_from_fork+0x1f/0x30
[   75.696455]  </TASK>