[Bug 264848] mpr0: mpr_user_pass_thru: user reply buffer (64) smaller than returned buffer (68)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264848

            Bug ID: 264848
           Summary: mpr0: mpr_user_pass_thru: user reply buffer (64)
                    smaller than returned buffer (68)
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: julien@perdition.city

Hello,

I'm running 13.1-RELEASE with ZFS on a Dell R340 with a "Dell HBA330 Adp
(Embedded)" adapter (firmware version  16.17.01.00):

chimay% sudo pciconf -lv mpr0
mpr0@pci0:2:0:0:        class=0x010700 rev=0x02 hdr=0x00 vendor=0x1000
device=0x0097 subvendor=0x1028 subdevice=0x1f45
    vendor     = 'Broadcom / LSI'
    device     = 'SAS3008 PCI-Express Fusion-MPT SAS-3'
    class      = mass storage
    subclass   = SAS

It works well, but I noticed a lot of:

mpr0: mpr_user_pass_thru: user reply buffer (64) smaller than returned buffer
(68)

in the kernel logs

Is it an issue or is it harmless?

Thanks

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