RHEL7: BUG: Bad page map in process scsi_id

Issue

• BUG conditions encountered in dmesg:

[ 4925.217675] BUG: Bad page map in process scsi_id  pte:21038bc32046a00 pmd:3f2f32b067
[ 4926.699133] BUG: Bad page map in process scsi_id  pte:2020202020434744 pmd:3f2f32b067
[ 4928.196161] BUG: Bad page map in process scsi_id  pte:2020204449415256 pmd:3f2f32b067
[ 4929.962648] BUG: Bad page map in process scsi_id  pte:2020202020202020 pmd:3f2f32b067
[ 4931.449755] BUG: Bad page map in process scsi_id  pte:3735463132333530 pmd:3f2f32b067
[ 4932.943175] BUG: Bad page map in process scsi_id  pte:4c43433239323342 pmd:3f2f32b067

• Accompanying stack trace and messages:

[ 4924.655094] sd 5:0:1:6: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[ 4924.661584] sd 4:0:1:4: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[ 4924.849243] sd 4:0:1:2: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[ 4924.946666] swap_free: Bad swap file entry 2a00042071786408
[ 4925.217675] BUG: Bad page map in process scsi_id  pte:21038bc32046a00 pmd:3f2f32b067
[ 4925.594489] addr:00007f60b1c00000 vm_flags:08000070 anon_vma:          (null) mapping:ffff881fbc795ed8 index:1e4
[ 4926.092695] sd 5:0:0:3: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[ 4926.092701] sd 5:0:1:4: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[ 4926.094218] sd 4:0:0:3: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical
[ 4926.094243] vma->vm_ops->fault: ext4_filemap_fault+0x0/0x50 [ext4]
[ 4926.390337] vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x80 [ext4]
[ 4926.699090] CPU: 1 PID: 28602 Comm: scsi_id Not tainted 3.10.0-514.10.2.el7.x86_64 #1
[ 4926.699091] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 11/14/2013
[ 4926.699093]  00007f60b1c00000 0000000058857b9a ffff883b6d637c40 ffffffff816863ef
[ 4926.699095]  ffff883b6d637c88 ffffffff811ac65f 021038bc32046a00 00000000000001e4
[ 4926.699097]  ffff883f2f32b000 021038bc32046a00 00007f60b1c32000 00007f60b1c00000
[ 4926.699099] Call Trace:
[ 4926.699104]  [<ffffffff816863ef>] dump_stack+0x19/0x1b
[ 4926.699107]  [<ffffffff811ac65f>] print_bad_pte+0x1af/0x250
[ 4926.699109]  [<ffffffff811ae60b>] unmap_page_range+0x62b/0x8a0
[ 4926.699111]  [<ffffffff811ae901>] unmap_single_vma+0x81/0xf0
[ 4926.699112]  [<ffffffff811af7d9>] unmap_vmas+0x49/0x90
[ 4926.699114]  [<ffffffff811b7a6c>] exit_mmap+0xac/0x1a0
[ 4926.699117]  [<ffffffff81082607>] mmput+0x67/0xf0
[ 4926.699119]  [<ffffffff8108bd8c>] do_exit+0x28c/0xa40
[ 4926.699122]  [<ffffffff81691ef1>] ? __do_page_fault+0x171/0x450
[ 4926.699125]  [<ffffffff8108c5bf>] do_group_exit+0x3f/0xa0
[ 4926.699127]  [<ffffffff8108c634>] SyS_exit_group+0x14/0x20
[ 4926.699129]  [<ffffffff81696a09>] system_call_fastpath+0x16/0x1b
[ 4926.699131] Disabling lock debugging due to kernel taint