System crash in dm_dax_get_live_target() within kpartx command

Issue

• System crash in dm_dax_get_live_target() within kpartx command:

[672128.005166] BUG: stack guard page was hit at 0000000022f5224d (stack is 00000000c4c082ca..00000000abcd63f4)
[672128.122796] kernel stack overflow (double-fault): 0000 [#1] SMP NOPTI
[672128.200898] CPU: 26 PID: 513001 Comm: kpartx Kdump: loaded Not tainted 4.18.0-193.90.1.el8_2.x86_64 #1
[672128.313319] Hardware name: Inspur NF5280M5/YZMB-00882-104, BIOS 4.1.16 06/23/2020
[672128.403913] RIP: 0010:dm_dax_get_live_target+0xe/0x40 [dm_mod]
[672128.474730] Code: 29 d0 89 01 89 77 30 c3 0f 0b 0f 0b 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 49 89 f4 55 48 89 d5 <53> 48 89 fb 48 81 c7 d8 05 00 00 e8 e2 08 83 d1 89 45 00 48 8b 7b
[672128.700512] RSP: 0018:ffffa6fc68e1c000 EFLAGS: 00010202
[672128.732989] openvswitch: ovs-system: deferred action limit reached, drop recirc action
[672128.764058] RAX: ffff8c14d9760000 RBX: ffff8c14d9760000 RCX: ffffa6fc68e1fad8
[672128.764059] RDX: ffffa6fc68e1c01c RSI: 0000000001810800 RDI: ffff8c14d9760000
[672128.764060] RBP: ffffa6fc68e1c01c R08: ffffa6fc68e1fae8 R09: 00000000001fdefb
[672128.764062] R10: ffffffffc08fd380 R11: ffff8c3039115058 R12: 0000000001810800
[672129.205538] R13: ffffa6fc68e1fae8 R14: 0000000000000001 R15: 0000000001810800
[672129.291963] FS:  00007fc12515c8c0(0000) GS:ffff8c443f380000(0000) knlGS:0000000000000000
[672129.389826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[672129.459610] CR2: ffffa6fc68e1bff8 CR3: 0000002bb39ca001 CR4: 00000000007606e0
[672129.546032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[672129.632458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[672129.718880] PKRU: 55555554
[672129.752267] Call Trace:
[672129.782538]  dm_dax_direct_access+0x4f/0x110 [dm_mod]
[672129.843997]  dax_direct_access+0x2d/0x60
[672129.891942]  linear_dax_direct_access+0x5e/0x70 [dm_mod]
[672129.956526]  dm_dax_direct_access+0xa2/0x110 [dm_mod]
[672130.017988]  dax_direct_access+0x2d/0x60
....
[672151.939632]  dax_direct_access+0x2d/0x60
[672151.987580]  linear_dax_direct_access+0x5e/0x70 [dm_mod]
[672152.052163]  dm_dax_direct_access+0xa2/0x110 [dm_mod]
[672152.078662] watchdog: BUG: soft lockup - CPU#10 stuck for 22s! [node_exporter:5465]
[672152.113629]  dax_direct_access+0x2d/0x60