System crash in memcpy() coming out of iscsi_tcp_recv_skb() while using Oracle AFD

Issue

• System crash in memcpy() coming out of iscsi_tcp_recv_skb() while using Oracle AFD:

[ 4751.805088] general protection fault: 0000 [#1] SMP 
....
CPU: 19 PID: 108160 Comm: ssh Kdump: loaded Tainted: P           OE  ------------   3.10.0-1160.71.1.el7.x86_64 #1
Hardware name: Dell Inc. PowerEdge R640/0W23H8, BIOS 1.4.9 06/29/2018
task: ffff9034c2260000 ti: ffff902e58e38000 task.ti: ffff902e58e38000
RIP: 0010:[<ffffffffb8b978e6>]  [<ffffffffb8b978e6>] memcpy+0x6/0x110
RSP: 0000:ffff9065fd843838  EFLAGS: 00010202
....
Call Trace:
<IRQ> 
[<ffffffffc038e674>] ? iscsi_tcp_recv_skb+0x1f4/0x400 [libiscsi_tcp]
[<ffffffffc016ad60>] ? iscsi_sw_tcp_write_space+0xb0/0xb0 [iscsi_tcp]
[<ffffffffc016adc0>] iscsi_sw_tcp_recv+0x60/0x100 [iscsi_tcp]
[<ffffffffb8eb2f0b>] tcp_read_sock+0xab/0x1f0
[<ffffffffc016b3cf>] iscsi_sw_tcp_data_ready+0x5f/0x110 [iscsi_tcp]
[<ffffffffb8ec6df6>] ? tcp_send_delayed_ack+0x106/0x130
[<ffffffffb8ec01d7>] tcp_rcv_established+0x447/0x7a0
[<ffffffffb8ecb04a>] tcp_v4_do_rcv+0x10a/0x350
[<ffffffffb8ecc89c>] tcp_v4_rcv+0x7dc/0x9e0
[<ffffffffb8ec01d7>] ? tcp_rcv_established+0x447/0x7a0
[<ffffffffb8ea4a8d>] ip_local_deliver_finish+0xbd/0x200
[<ffffffffb8ea4d80>] ip_local_deliver+0x60/0xe0
[<ffffffffb8ecc072>] ? tcp_v4_early_demux+0x112/0x160
[<ffffffffb8ea46f0>] ip_rcv_finish+0x90/0x370
[<ffffffffb8ea50c0>] ip_rcv+0x2c0/0x420
[<ffffffffc05fce98>] ? bond_handle_frame+0x78/0x290 [bonding]
[<ffffffffb8e59819>] __netif_receive_skb_core+0x729/0xa10

• Also, a warning may be present from bio_advance():

WARNING: CPU: 23 PID: 0 at fs/bio.c:897 bio_advance+0xbe/0xd0
bio idx 249 >= vcnt 249
....
CPU: 23 PID: 0 Comm: swapper/23 Kdump: loaded Tainted: P           OE  ------------   3.10.0-1160.71.1.el7.x86_64 #1
Hardware name: Dell Inc. PowerEdge R640/0W23H8, BIOS 1.4.9 06/29/2018
Call Trace:
<IRQ>  [<ffffffffb8f865c9>] dump_stack+0x19/0x1b
[<ffffffffb889b408>] __warn+0xd8/0x100
[<ffffffffb889b48f>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffb88dae75>] ? wake_up_process+0x15/0x20
[<ffffffffb8a8bc9e>] bio_advance+0xbe/0xd0
[<ffffffffb8b56107>] blk_update_request+0x77/0x370
[<ffffffffb8cee014>] scsi_end_request+0x34/0x1e0
[<ffffffffb8cee388>] scsi_io_completion+0x168/0x720
[<ffffffffb8ce367c>] scsi_finish_command+0xdc/0x140
[<ffffffffb8ced8d0>] scsi_softirq_done+0x130/0x160
[<ffffffffb8b5db56>] blk_done_softirq+0x96/0xc0
[<ffffffffb88a4d85>] __do_softirq+0xf5/0x280
[<ffffffffb8f9d4ec>] call_softirq+0x1c/0x30
[<ffffffffb882f715>] do_softirq+0x65/0xa0
[<ffffffffb88a5105>] irq_exit+0x105/0x110
[<ffffffffb88599f9>] smp_call_function_single_interrupt+0x39/0x40
[<ffffffffb8f9c26a>] call_function_single_interrupt+0x16a/0x170
<EOI>  [<ffffffffb8dc8be7>] ? cpuidle_enter_state+0x57/0xd0
[<ffffffffb8dc8d3e>] cpuidle_idle_call+0xde/0x230
[<ffffffffb8837c8e>] arch_cpu_idle+0xe/0xc0
[<ffffffffb890194a>] cpu_startup_entry+0x14a/0x1e0
[<ffffffffb885a857>] start_secondary+0x1f7/0x270
[<ffffffffb88000d5>] start_cpu+0x5/0x14
....