BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: [<          (null)>]           (null)
PGD 0 
Oops: 0010 [#1] SMP 
Modules linked in: squashfs loop overlay(T) 8021q garp mrp stp llc beegfs(OE) rpcsec_gss_krb5 auth_rpcgss nfsv3 nfs_acl nfsv4 dns_resolver nfs lockd grace fscache ib_isert iscsi_target_mod ib_srpt target_core_mod ib_srp scsi_transport_srp scsi_tgt ib_ucm rpcrdma rdma_ucm ib_uverbs opa_vnic ib_iser ib_umad rdma_cm ib_ipoib iw_cm libiscsi ib_cm scsi_transport_iscsi iTCO_wdt iTCO_vendor_support skx_edac intel_powerclamp coretemp intel_rapl iosf_mbi kvm sunrpc hfi1 ast irqbypass ttm crc32_pclmul ghash_clmulni_intel drm_kms_helper aesni_intel lrw gf128mul syscopyarea glue_helper sysfillrect ablk_helper sysimgblt fb_sys_fops cryptd rdmavt drm ixgbe ipmi_ssif ib_core pcspkr ptp joydev mei_me pps_core i2c_algo_bit i2c_i801 mdio mei sg dca i2c_core lpc_ich shpchp wmi ipmi_si ipmi_devintf nfit
ipmi_msghandler libnvdimm acpi_pad acpi_power_meter binfmt_misc ip_tables ext4 mbcache jbd2 sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel ahci libahci libata
CPU: 43 PID: 350189 Comm: kworker/u896:2 Tainted: G        W  OE  ------------ T 3.10.0-862.3.3.el7.x86_64 #1
Hardware name: Intel Corporation S2600BPB/S2600BPB, BIOS SE5C620.86B.00.01.0013.030920180427 03/09/2018
Workqueue: ib_addr process_one_req [ib_core]
task: ffff947f612ddee0 ti: ffff9490a63a4000 task.ti: ffff9490a63a4000
RIP: 0010:[<0000000000000000>]  [<          (null)>]           (null)
RSP: 0018:ffff9490a63a7df8  EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff948ca0cbfd38 RCX: 0000000000000000
RDX: ffff9463b5a126c0 RSI: ffff948ca0cbfc10 RDI: 0000000000dc00f0
RBP: ffff9490a63a7e18 R08: 0000000000000000 R09: ffff948c3d34eeb0
R10: 000000000000000f R11: 0000000000000400 R12: ffff948ca0cbfc00
R13: ffff948ca0cbfc10 R14: ffff949358e7d900 R15: 0000000000007000
FS:  0000000000000000(0000) GS:ffff947b5dfc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000001ebe20e000 CR4: 00000000007607e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 00000000
Call Trace:
[<ffffffffc0452170>] ? process_one_req+0x60/0x110 [ib_core]
[<ffffffffa32b312f>] process_one_work+0x17f/0x440
[<ffffffffa32b3df6>] worker_thread+0x126/0x3c0
[<ffffffffa32b3cd0>] ? manage_workers.isra.24+0x2a0/0x2a0
[<ffffffffa32bb161>] kthread+0xd1/0xe0
[<ffffffffa32bb090>] ? insert_kthread_work+0x40/0x40
[<ffffffffa392065d>] ret_from_fork_nospec_begin+0x7/0x21
[<ffffffffa32bb090>] ? insert_kthread_work+0x40/0x40
Code:  Bad RIP value.
RIP  [<          (null)>]           (null)
RSP <ffff9490a63a7df8>