System crash in __blk_recalc_rq_segments() due to memory corruption following qla2xxx errors

Issue

• System crash in __blk_recalc_rq_segments() due to memory corruption following qla2xxx errors:

[2374177.690441] qla2xxx [0000:11:00.1]-5060:2: 83XX: F/W Error Reported: Check if reset required.
[2374177.795021] qla2xxx [0000:11:00.1]-5069:2: Heartbeat Failure encountered, chip reset required.
[2374177.900683] qla2xxx [0000:11:00.0]-5060:1: 83XX: F/W Error Reported: Check if reset required.
[2374178.005261] qla2xxx [0000:11:00.0]-5069:1: Heartbeat Failure encountered, chip reset required.
[2374201.806875] qla2xxx [0000:11:00.0]-5030:1: Error entry - invalid handle/queue (76ca).
[2374201.903094] qla2xxx [0000:11:00.0]-5030:1: Error entry - invalid handle/queue (e932).
[2374201.999304] qla2xxx [0000:11:00.0]-5030:1: Error entry - invalid handle/queue (79e8).
....
[2374234.429591] request botched: dev sdai: type=1, flags=123c800f
[2374234.429591]   sector 114288, nr/cnr 0/1645196
[2374234.429592]   bio ffff8fe5d1239e00, biotail ffff8fe5d1239e00, buffer           (null), len 0
[2374234.429597] general protection fault: 0000 [#1] SMP 
....
[2374234.429620] CPU: 0 PID: 14774 Comm: splunkd Kdump: loaded Tainted: P        W  OE  ------------   3.10.0-1160.42.2.el7.x86_64 #1
[2374234.429620] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 10/02/2018
[2374234.429621] task: ffff8fe6acf69080 ti: ffff8fe5b95ac000 task.ti: ffff8fe5b95ac000
[2374234.429623] RIP: 0010:[<ffffffff93f5c348>]  [<ffffffff93f5c348>] __blk_recalc_rq_segments+0x48/0x220
[2374234.429624] RSP: 0000:ffff8fe9bf603d10  EFLAGS: 00010206
....
[2374234.429630] Call Trace:
[2374234.429632]  <IRQ> 
[2374234.429632]  [<ffffffff93f5ca88>] blk_recalc_rq_segments+0x28/0x40
[2374234.429633]  [<ffffffff93f56469>] blk_update_request+0x219/0x370
[2374234.429634]  [<ffffffff940ee1d4>] scsi_end_request+0x34/0x1e0
[2374234.429636]  [<ffffffff940ee548>] scsi_io_completion+0x168/0x720
[2374234.429637]  [<ffffffff93ce5c96>] ? task_tick_fair+0x256/0x670
[2374234.429638]  [<ffffffff940e383c>] scsi_finish_command+0xdc/0x140
[2374234.429639]  [<ffffffff940eda90>] scsi_softirq_done+0x130/0x160
[2374234.429640]  [<ffffffff93f5dd16>] blk_done_softirq+0x96/0xc0
[2374234.429642]  [<ffffffff93ca4bf5>] __do_softirq+0xf5/0x280
[2374234.429643]  [<ffffffff943994ec>] call_softirq+0x1c/0x30
[2374234.429644]  [<ffffffff93c2f715>] do_softirq+0x65/0xa0
....
[2374234.429661] RIP  [<ffffffff93f5c348>] __blk_recalc_rq_segments+0x48/0x220
[2374234.429661]  RSP <ffff8fe9bf603d10>