Bug 2118546

Description of problem:

The kexec reboot failed with below CKI kernel:
Linux version 5.20.0-0.rc0.3bc1bc0b59d0.9.test.fc37

The back trace is pasted here. And the full log can be checked in:
https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/08/12/redhat:611241552/build_s390x_redhat:611241552_s390x/tests/3/results_0001/console.log/console.log

====
[   13.767212] Unable to handle kernel pointer dereference in virtual kernel add 
ress space                                                                       
[   13.767222] Failing address: 000000022a04d000 TEID: 000000022a04d403          
[   13.767225] Fault in home space mode while using kernel ASCE.                 
[   13.767230] AS:000000007bf0c007 R3:0000000000000024                           
[   13.767280] Oops: 003b ilc:2 [#1] SMP                                         
[   13.767286] Modules linked in: sunrpc qeth_l2 bridge stp llc qeth qdio ccwgro 
up zcrypt_cex4 vfio_ccw mdev vfio_iommu_type1 vfio fuse zram xfs crc32_vx_s390 g 
hash_s390 prng aes_s390 des_s390 libdes sha512_s390 sha256_s390 sha1_s390 sha_co 
mmon dasd_eckd_mod dasd_mod pkey zcrypt                                          
[   13.767315] Unloaded tainted modules: s390_trng():1 s390_trng():1 sha3_512_s  
90():1 sha3_512_s390():1 sha3_256_s390():1 sha3_256_s390():1 sha3_512_s390():1 s 
ha3_256_s390():1 sha3_512_s390():1 sha3_256_s390():1                             
[   13.767334] CPU: 1 PID: 1205 Comm: anamon Tainted: G        W         ------- 
  ---  5.20.0-0.rc0.3bc1bc0b59d0.9.test.fc37.s390x #1                            
[   13.767340] Hardware name: IBM 2964 N96 400 (z/VM 6.4.0)                      
[   13.767344] Krnl PSW : 0704e00180000000 000000007ad53ff2 (inet_ehash_insert+0 
xba/0x2e0)00: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP 
 stop from                                                                       
 CPU 00.                                                                         
00: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from 
 CPU 01.                                                                         
                                                                                 
[   13.767365]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI: 
0 EA:3                                                                           
[   13.767369] Krnl GPRS: c6928754f226d278 0000000000000000 0000000200000002 000 
00000073a72da                                                                    
[   13.767372]            000000002c8ea9e8 00000000486419d9 0000000000001f40 000 
000004303b880                                                                    
[   13.767374]            0000000000000000 0000000000000000 000000022a04dc50 000 
000004f021400                                                                    
[   13.767376]            000000004499a100 0000000000000000 000000007ad54156 000 
00380412b79d0                                                                    
[   13.767386] Krnl Code: 000000007ad53fe6: b90400a2            lgr     %r10,%r2 
                                                                                 
[   13.767386]            000000007ad53fea: a7180000            lhi     %r1,0    
[   13.767386]           #000000007ad53fee: 582003ac            l       %r2,940  
[   13.767386]           >000000007ad53ff2: ba12a000            cs      %r1,%r2, 
0(%r10)                                                                          
[   13.767386]            000000007ad53ff6: ec1600ea007e        cij     %r1,0,6, 
000000007ad541ca                                                                 
[   13.767386]            000000007ad53ffc: ec980053007c        cgij    %r9,0,8, 
000000007ad540a2                                                                 
[   13.767386]            000000007ad54002: d503b0089008        clc     8(4,%r11 
),8(%r9)                                                                         
[   13.767386]            000000007ad54008: a77400ec            brc     7,000000 
007ad541e0                                                                       
[   13.767407] Call Trace:                                                       
[   13.767409]  [<000000007ad53ff2>] inet_ehash_insert+0xba/0x2e0                
[   13.767413] ([<000000007ad54156>] inet_ehash_insert+0x21e/0x2e0)              
[   13.767416]  [<000000007ad5423e>] inet_ehash_nolisten+0x26/0xb8               
[   13.767419]  [<000000007ad54a9e>] __inet_hash_connect+0x4e6/0x568             
[   13.767431]  [<000000007ae39a6e>] tcp_v6_connect+0x3ee/0x5c8                  
[   13.767436]  [<000000007ad988bc>] __inet_stream_connect+0x104/0x3b8           
[   13.767440]  [<000000007ad98bc6>] inet_stream_connect+0x56/0x80               
[   13.767443]  [<000000007ac5d332>] __sys_connect+0x8a/0xb8                     
[   13.767449]  [<000000007ac5f50c>] __do_sys_socketcall+0x15c/0x348             
[   13.767452]  [<000000007aeed4bc>] __do_syscall+0x1d4/0x1f8                    
[   13.767458]  [<000000007aefd742>] system_call+0x82/0xb0                       
[   13.767464] Last Breaking-Event-Address:                                      
[   13.767465]  [<000000007ad54156>] inet_ehash_insert+0x21e/0x2e0               
[   13.767470] Kernel panic - not syncing: Fatal exception in interrupt          
01: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 7A2BF806 



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