System crashed at qlcnic_intr+0x14/0x90

Issue

• System crashed with the below messages

<1>BUG: unable to handle kernel NULL pointer dereference at (null)
<1>IP: [<ffffffffa02fce04>] qlcnic_intr+0x14/0x90 [qlcnic]
<4>PGD 874387a067 PUD 87458d6067 PMD 0
<4>Oops: 0000 [#1] SMP
<4>last sysfs file: /sys/devices/pci0000:a0/0000:a0:05.0/0000:aa:00.0/infiniband/mlx4_6/ports/1/pkeys/127
<4>CPU 1
<4>Modules linked in: netconsole vxodm(P)(U) amf(P)(U) gab(P)(U) llt(P)(U) configfs pcc_cpufreq ses enclosure dmpjbod(P)(U) dmpap(P)(U) dmpaa(P)(U) vxspec(P)(U) vxio(P)(U) vxdmp(P)(U) bonding 8021q garp stp llc xt_limit nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables rdma_ucm(U) ib_ucm(U) rdma_cm(U) iw_cm(U) ib_addr(U) ib_srp(U) scsi_transport_srp(U) ib_ipoib(U) ib_cm(U) ipv6 ib_uverbs(U) ib_umad(U) mlx5_ib(U) mlx5_core(U) mlx4_en(U) mlx4_ib(U) ib_sa(U) ib_mad(U) ib_core(U) mlx4_core(U) compat(U) vxportal(P)(U) fdd(P)(U) vxfs(P)(U) exportfs knem(U) power_meter qlcnic(U) netxen_nic microcode serio_raw iTCO_wdt iTCO_vendor_support hpilo hpwdt sg i7core_edac edac_core shpchp ext4 mbcache jbd2 raid1 sr_mod cdrom sd_mod crc_t10dif pata_acpi ata_generic ata_piix hpsa radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: netconsole]
<4>
<4>Process oracle (pid: 159876, threadinfo ffff8b86f297e000, task ffff8b86eae5d500)
<4>Stack:
<4> ffff8b86f297f728 ffffffffa02fd380 0000040000010018 ffff899fb2772600
<4><d> ffff8820316a4020 ffff8a07000806e0 ffff8b86f297f788 ffffffff81450005
<4><d> ffff8b86f297f858 ffffffffa07e6bdd ffff8820316a4020 ffff88202c9bbf40
<4>Call Trace:
<4> [<ffffffffa02fd380>] qlcnic_poll_controller+0x50/0x70 [qlcnic]
<4> [<ffffffff81450005>] netpoll_poll_dev+0x45/0x490 
<4> [<ffffffffa07e6bdd>] ? tcp_packet+0x6ad/0x15f0 [nf_conntrack]
<4> [<ffffffff8100bc0e>] ? apic_timer_interrupt+0xe/0x20
<4> [<ffffffffa082d585>] bond_poll_controller+0x75/0x80 [bonding]
<4> [<ffffffff81450005>] netpoll_poll_dev+0x45/0x490
<4> [<ffffffff81450657>] netpoll_send_skb_on_dev+0x157/0x240
<4> [<ffffffffa082e9f4>] bond_dev_queue_xmit+0x1f4/0x210 [bonding] 
<4> [<ffffffffa082ed14>] bond_start_xmit+0x304/0x5f0 [bonding]
<4> [<ffffffff8143b40c>] dev_hard_start_xmit+0x2bc/0x3f0
<4> [<ffffffff8143fc56>] dev_queue_xmit+0x596/0x6f0
<4> [<ffffffff81466ba4>] ? nf_hook_slow+0x74/0x110
<4> [<ffffffff814773b0>] ? ip_finish_output+0x0/0x310
<4> [<ffffffff814774ec>] ip_finish_output+0x13c/0x310
<4> [<ffffffff81477778>] ip_output+0xb8/0xc0
<4> [<ffffffff81476a3f>] ? __ip_local_out+0x9f/0xb0
<4> [<ffffffff81476a75>] ip_local_out+0x25/0x30
<4> [<ffffffff81476f50>] ip_queue_xmit+0x190/0x420
<4> [<ffffffff81127ec0>] ? __free_pages+0x60/0xa0
<4> [<ffffffff8148bcde>] tcp_transmit_skb+0x3fe/0x7b0
<4> [<ffffffff8148e09b>] tcp_write_xmit+0x1fb/0xa20
<4> [<ffffffff81190110>] ? __pollwait+0x0/0xf0
<4> [<ffffffff8148ea50>] __tcp_push_pending_frames+0x30/0xe0
<4> [<ffffffff8147e07e>] tcp_push+0x6e/0x90   
<4> [<ffffffff8147f06a>] tcp_sendmsg+0x64a/0xa10
<4> [<ffffffff8142a7a7>] sock_aio_write+0x167/0x180
<4> [<ffffffff8117b0aa>] do_sync_write+0xfa/0x140
<4> [<ffffffff81092150>] ? autoremove_wake_function+0x0/0x40
<4> [<ffffffff81213446>] ? security_file_permission+0x16/0x20
<4> [<ffffffff8117b474>] vfs_write+0x184/0x1a0
<4> [<ffffffff810d6ce2>] ? audit_syscall_entry+0x272/0x2a0
<4> [<ffffffff8117bdc1>] sys_write+0x51/0x90
<4> [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
<4>Code: e2 01 e8 a0 02 f8 e0 48 83 c4 08 48 98 5b c9 c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 1f 44 00 00 48 8b 46 18 48 8b 90 68 01 00 00 <8b> 12 85 50 78 74 17 48 8b 90 60 01 00 00 8b 12 81 e2 00 03 00
<1>RIP  [<ffffffffa02fce04>] qlcnic_intr+0x14/0x90 [qlcnic]
<4> RSP <ffff8b86f297f6f8>
<4>CR2: 0000000000000000