[bug report] kernel BUG at lib/list_debug.c:26! observed during blktests srp/002 on latest linux tree

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Hello
Below issue was triggered during blktests srp/002 on the latest linux
tree, pls help check it, thanks.

[  361.390453] scsi host23: ib_srp: Already connected to target port
with id_ext=0ec47afffee6bada;ioc_guid=0ec47afffee6bada;dest=fe80:0000:0000:0000:0207:43ff:fe4a:9388
[  361.417657] sd 21:0:0:2: [sdf] Attached SCSI disk
[  361.424672] sd 21:0:0:0: [sde] Attached SCSI disk
[  361.453074] scsi host23: ib_srp: Already connected to target port
with id_ext=0ec47afffee6bada;ioc_guid=0ec47afffee6bada;dest=172.16.0.82
[  361.453747] sd 21:0:0:1: [sdg] Attached SCSI disk
[  361.496671] scsi host23: ib_srp: Already connected to target port
with id_ext=0ec47afffee6bada;ioc_guid=0ec47afffee6bada;dest=fe80:0000:0000:0000:0207:43ff:fe4a:9380
[  362.510524] scsi 22:0:0:2: alua: Detached
[  362.543857] scsi 22:0:0:0: alua: Detached
[  362.556512] scsi 22:0:0:1: alua: Detached
[  362.583589] debugfs: Directory 'dm-1' with parent 'block' already present!
[  362.689488] BUG: scheduling while atomic: multipathd/2684/0x00000102
[  362.689493] Modules linked in: ib_srp scsi_transport_srp
target_core_user uio target_core_pscsi target_core_file ib_srpt
target_core_iblock target_core_mod rdma_cm iw_cm ib_cm scsi_debug
rdma_rxe ib_uverbs ip6_udp_tunnel udp_tunnel null_blk ib_umad ib_core
rfkill sunrpc vfat fat dm_service_time dm_multipath scsi_dh_rdac
scsi_dh_emc scsi_dh_alua intel_rapl_msr intel_rapl_common amd64_edac
edac_mce_amd ipmi_ssif kvm_amd kvm irqbypass acpi_ipmi igb rapl pcspkr
joydev ipmi_si k10temp i2c_piix4 dca ipmi_devintf ipmi_msghandler
acpi_cpufreq fuse zram xfs csiostor ast i2c_algo_bit drm_vram_helper
drm_kms_helper drm_ttm_helper ttm cxgb4 crct10dif_pclmul crc32_pclmul
drm crc32c_intel nvme ghash_clmulni_intel nvme_core tls ccp
scsi_transport_fc sp5100_tco [last unloaded: null_blk]
[  362.689541] Preemption disabled at:
[  362.689541] [<ffffffffb6154944>] vprintk_emit+0x114/0x280
[  362.689549] CPU: 1 PID: 2684 Comm: multipathd Not tainted 5.17.0+ #1
[  362.689552] Hardware name: Supermicro Super Server/H11SSL-i, BIOS
1.3 06/25/2019
[  362.689554] Call Trace:
[  362.689557]  <IRQ>
[  362.689560]  dump_stack_lvl+0x44/0x58
[  362.689564]  ? vprintk_emit+0x114/0x280
[  362.689567]  __schedule_bug.cold+0x81/0x8e
[  362.689571]  __schedule+0xe37/0x1190
[  362.689575]  schedule+0x4e/0xb0
[  362.689578]  rwsem_down_write_slowpath+0x1e4/0x5a0
[  362.689582]  simple_recursive_removal+0x17b/0x2a0
[  362.689586]  ? start_creating.part.0+0x110/0x110
[  362.689590]  debugfs_remove+0x40/0x60
[  362.689592]  blk_release_queue+0x95/0x100
[  362.689595]  kobject_put+0x7e/0x1b0
[  362.689599]  blkg_free.part.0+0x41/0x60
[  362.689602]  rcu_do_batch+0x18a/0x4c0
[  362.689605]  rcu_core+0x1bb/0x4d0
[  362.689608]  __do_softirq+0xfb/0x30b
[  362.689611]  __irq_exit_rcu+0xbd/0x140
[  362.689614]  sysvec_apic_timer_interrupt+0x9e/0xc0
[  362.689618]  </IRQ>
[  362.689619]  <TASK>
[  362.689619]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  362.689622] RIP: 0010:console_unlock+0x371/0x530
[  362.689625] Code: 00 65 ff 0d 41 c4 ec 49 0f 85 54 fe ff ff 0f 1f
44 00 00 e9 4a fe ff ff e8 7c 18 00 00 4d 85 e4 74 10 31 d2 fb 0f 1f
44 00 00 <85> d2 0f 85 05 ff ff ff 8b 05 61 be cf 01 83 f8 ff 0f 85 bc
00 00
[  362.689627] RSP: 0018:ffffb62785167a68 EFLAGS: 00000246
[  362.689629] RAX: 0000000080000001 RBX: 0000000000000000 RCX: 0000000000000000
[  362.689631] RDX: 0000000000000000 RSI: 0000000000000046 RDI: 00000000ffffffff
[  362.689632] RBP: 0000000000000000 R08: ffffffffb682c4a0 R09: 6d64272079726f74
[  362.689633] R10: 6f74636572694420 R11: 3a73666775626564 R12: 0000000000000200
[  362.689634] R13: 0000000000000000 R14: ffff9e2ec22bd100 R15: 0000000000000000
[  362.689636]  ? univ8250_console_exit+0x20/0x20
[  362.689641]  ? console_unlock+0x364/0x530
[  362.689644]  vprintk_emit+0x140/0x280
[  362.689647]  _printk+0x48/0x4a
[  362.689649]  ? lookup_dcache+0x17/0x60
[  362.689653]  start_creating.part.0.cold+0x59/0x5b
[  362.689656]  debugfs_create_dir+0x2b/0x170
[  362.689658]  blk_register_queue+0xc8/0x230
[  362.689661]  ? bd_register_pending_holders+0xd7/0x100
[  362.689664]  device_add_disk+0x203/0x340
[  362.689667]  dm_setup_md_queue+0x9b/0xe0
[  362.689672]  table_load+0x293/0x2c0
[  362.689674]  ? __find_device_hash_cell+0x140/0x140
[  362.689676]  ctl_ioctl+0x1f9/0x4e0
[  362.689682]  dm_ctl_ioctl+0xa/0x10
[  362.689684]  __x64_sys_ioctl+0x8c/0xc0
[  362.689686]  do_syscall_64+0x3a/0x80
[  362.689689]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  362.689691] RIP: 0033:0x7fadbb70b29f
[  362.689703] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24
10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00
00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28
00 00
[  362.689704] RSP: 002b:00007fadba3132f0 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  362.689706] RAX: ffffffffffffffda RBX: 00007fada801d860 RCX: 00007fadbb70b29f
[  362.689707] RDX: 00007fada803cf80 RSI: 00000000c138fd09 RDI: 0000000000000005
[  362.689709] RBP: 0000000000000003 R08: 00007fadba3110a0 R09: 00007fadbbb99040
[  362.689709] R10: 00007fadba310ea7 R11: 0000000000000246 R12: 00007fadbbb886b6
[  362.689710] R13: 00007fadbbb8838c R14: 00007fada803cfb0 R15: 00007fadbbb8878c
[  362.689713]  </TASK>
[  362.918525] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-56:
queued zerolength write
[  362.918539] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-54:
queued zerolength write
[  362.918547] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-52:
queued zerolength write
[  362.918555] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-50:
queued zerolength write
[  362.918561] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-48:
queued zerolength write
[  362.918566] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-46:
queued zerolength write
[  362.918571] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-44:
queued zerolength write
[  362.918577] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-42:
queued zerolength write
[  362.918583] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-40:
queued zerolength write
[  362.918588] ib_srpt:srpt_zerolength_write: ib_srpt 172.16.0.82-38:
queued zerolength write
[  362.918676] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-56 wc->status 5
[  362.918682] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-54 wc->status 5
[  362.918686] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-52 wc->status 5
[  362.918689] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-50 wc->status 5
[  362.918693] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-48 wc->status 5
[  362.918696] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-46 wc->status 5
[  362.918699] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-44 wc->status 5
[  362.918701] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-42 wc->status 5
[  362.918704] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-40 wc->status 5
[  362.918707] ib_srpt:srpt_zerolength_write_done: ib_srpt
172.16.0.82-38 wc->status 5
[  362.918724] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-56
[  362.918731] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-54
[  362.918737] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-52
[  362.918743] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-50
[  362.918750] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-48
[  362.918757] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-46
[  362.918763] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-44
[  362.918769] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-42
[  362.918775] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-40
[  362.918781] ib_srpt:srpt_release_channel_work: ib_srpt 172.16.0.82-38
[  366.541704] device-mapper: multipath: 253:2: Failing path 8:16.
[  366.575468] scsi 21:0:0:0: alua: Detached
[  366.576646] sd 20:0:0:2: [sdc] Synchronizing SCSI cache
[  366.587879] list_add corruption. prev->next should be next
(ffff9e31e2008838), but was 0000000000000000. (prev=ffffb62782284db0).
[  366.587895] ------------[ cut here ]------------
[  366.587895] kernel BUG at lib/list_debug.c:26!
[  366.587903] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[  366.587906] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G        W
  5.17.0+ #1
[  366.587909] Hardware name: Supermicro Super Server/H11SSL-i, BIOS
1.3 06/25/2019
[  366.587911] RIP: 0010:__list_add_valid.cold+0x3d/0x3f
[  366.587918] Code: f2 48 89 c1 48 89 fe 48 c7 c7 a8 b6 65 b7 e8 b4
e6 fd ff 0f 0b 48 89 d1 48 89 c6 4c 89 c2 48 c7 c7 50 b6 65 b7 e8 9d
e6 fd ff <0f> 0b 48 89 fe 48 c7 c7 e0 b6 65 b7 e8 8c e6 fd ff 0f 0b 48
89 d1
[  366.587920] RSP: 0018:ffffb62782370d78 EFLAGS: 00010086
[  366.587923] RAX: 0000000000000075 RBX: ffff9e31e2008820 RCX: 0000000000000000
[  366.587924] RDX: 0000000000000103 RSI: ffffffffb764577c RDI: 00000000ffffffff
[  366.587926] RBP: ffffb62782370e10 R08: ffffffffb7e65380 R09: 3238373236626666
[  366.587927] R10: 3438323238373236 R11: 62666666663d7665 R12: ffffb62782284db0
[  366.587928] R13: ffff9e31e2008834 R14: ffffb62782370db0 R15: ffff9e31e2008838
[  366.587929] FS:  0000000000000000(0000) GS:ffff9e35cea00000(0000)
knlGS:0000000000000000
[  366.587931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  366.587932] CR2: 00007f18579e44e0 CR3: 00000001cce10000 CR4: 00000000003506e0
[  366.587934] Call Trace:
[  366.587936]  <IRQ>
[  366.587938]  rwsem_down_write_slowpath+0xd7/0x5a0
[  366.587945]  simple_recursive_removal+0x17b/0x2a0
[  366.587950]  ? start_creating.part.0+0x110/0x110
[  366.587955]  debugfs_remove+0x40/0x60
[  366.587958]  blk_release_queue+0x95/0x100
[  366.587962]  kobject_put+0x7e/0x1b0
[  366.587966]  blkg_free.part.0+0x41/0x60
[  366.587969]  rcu_do_batch+0x18a/0x4c0
[  366.587975]  rcu_core+0x1bb/0x4d0
[  366.587978]  __do_softirq+0xfb/0x30b
[  366.587981]  __irq_exit_rcu+0xbd/0x140
[  366.587985]  sysvec_apic_timer_interrupt+0x9e/0xc0
[  366.587989]  </IRQ>
[  366.587990]  <TASK>
[  366.587991]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  366.587994] RIP: 0010:cpuidle_enter_state+0xd8/0x380
[  366.587998] Code: 00 00 31 ff e8 39 0a 73 ff 45 84 ff 74 16 9c 58
0f 1f 40 00 f6 c4 02 0f 85 8e 02 00 00 31 ff e8 4e b7 78 ff fb 0f 1f
44 00 00 <45> 85 f6 0f 88 21 01 00 00 49 63 ce 48 8d 04 49 48 8d 04 81
49 8d
[  366.587999] RSP: 0018:ffffb62782207eb0 EFLAGS: 00000246
[  366.588001] RAX: ffff9e35cea00000 RBX: 0000000000000001 RCX: 0000000000000000
[  366.588002] RDX: 000000555a50727e RSI: ffffffffb764577c RDI: ffffffffb76074d6
[  366.588003] RBP: ffff9e2ec204bc00 R08: 0000000000000002 R09: 000000003cf3d124
[  366.588004] R10: 0000000000000008 R11: 00000000000003e4 R12: ffffffffb8077b80
[  366.588005] R13: 000000555a50727e R14: 0000000000000001 R15: 0000000000000000
[  366.588008]  cpuidle_enter+0x29/0x40
[  366.588010]  do_idle+0x1b2/0x220
[  366.588014]  cpu_startup_entry+0x19/0x20
[  366.588016]  secondary_startup_64_no_verify+0xd5/0xdb
[  366.588022]  </TASK>
[  366.588022] Modules linked in: ib_srp scsi_transport_srp
target_core_user uio target_core_pscsi target_core_file ib_srpt
target_core_iblock target_core_mod rdma_cm iw_cm ib_cm scsi_debug
rdma_rxe ib_uverbs ip6_udp_tunnel udp_tunnel null_blk ib_umad ib_core
rfkill sunrpc vfat fat dm_service_time dm_multipath scsi_dh_rdac
scsi_dh_emc scsi_dh_alua intel_rapl_msr intel_rapl_common amd64_edac
edac_mce_amd ipmi_ssif kvm_amd kvm irqbypass acpi_ipmi igb rapl pcspkr
joydev ipmi_si k10temp i2c_piix4 dca ipmi_devintf ipmi_msghandler
acpi_cpufreq fuse zram xfs csiostor ast i2c_algo_bit drm_vram_helper
drm_kms_helper drm_ttm_helper ttm cxgb4 crct10dif_pclmul crc32_pclmul
drm crc32c_intel nvme ghash_clmulni_intel nvme_core tls ccp
scsi_transport_fc sp5100_tco [last unloaded: null_blk]
[  366.588072] ---[ end trace 0000000000000000 ]---
[  366.680305] RIP: 0010:__list_add_valid.cold+0x3d/0x3f
[  366.680310] Code: f2 48 89 c1 48 89 fe 48 c7 c7 a8 b6 65 b7 e8 b4
e6 fd ff 0f 0b 48 89 d1 48 89 c6 4c 89 c2 48 c7 c7 50 b6 65 b7 e8 9d
e6 fd ff <0f> 0b 48 89 fe 48 c7 c7 e0 b6 65 b7 e8 8c e6 fd ff 0f 0b 48
89 d1
[  366.680311] RSP: 0018:ffffb62782370d78 EFLAGS: 00010086
[  366.680314] RAX: 0000000000000075 RBX: ffff9e31e2008820 RCX: 0000000000000000
[  366.680315] RDX: 0000000000000103 RSI: ffffffffb764577c RDI: 00000000ffffffff
[  366.680316] RBP: ffffb62782370e10 R08: ffffffffb7e65380 R09: 3238373236626666
[  366.680317] R10: 3438323238373236 R11: 62666666663d7665 R12: ffffb62782284db0
[  366.680318] R13: ffff9e31e2008834 R14: ffffb62782370db0 R15: ffff9e31e2008838
[  366.680319] FS:  0000000000000000(0000) GS:ffff9e35cea00000(0000)
knlGS:0000000000000000
[  366.680321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  366.680322] CR2: 00007f18579e44e0 CR3: 00000001cce10000 CR4: 00000000003506e0
[  366.680324] Kernel panic - not syncing: Fatal exception in interrupt
[  366.680543] Kernel Offset: 0x35000000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  368.507945] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt ]---

-- 
Best Regards,
  Yi Zhang




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