[Bug 280714] Kernel panic when unloading hms with hms disabled in device.hints

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280714

            Bug ID: 280714
           Summary: Kernel panic when unloading hms with hms disabled in
                    device.hints
           Product: Base System
           Version: 13.3-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: megamansec@gmail.com

Created attachment 252631
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=252631&action=edit
crash core.txt

This is a bit of a non-major-issue, but I thought Iwould report it:

I noticed that if the hms driver is disabled in device.hints:
hint.hms.0.disabled="1"
the hms module is loaded anyways. When then unloading the module in the
cmdline, the kernel crashes:
#0 0xffffffff80c529d5 at kdb_backtrace+0x65
#1 0xffffffff80c063f2 at vpanic+0x152
#2 0xffffffff80c06293 at panic+0x43
#3 0xffffffff810c606d at trap_fatal+0x38d
#4 0xffffffff810c60bf at trap_pfault+0x4f
#5 0xffffffff8109ceb8 at calltrap+0x8
#6 0xffffffff80c16e41 at sysctl_root_handler_locked+0x91
#7 0xffffffff80c16264 at sysctl_root+0x244
#8 0xffffffff80c168f6 at userland_sysctl+0x176
#9 0xffffffff80c16740 at sys___sysctl+0x60
#10 0xffffffff810c6940 at amd64_syscall+0x110
#11 0xffffffff8109d7cb at fast_syscall_common+0xf


I have attached a core.txt.

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