[Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=284057

            Bug ID: 284057
           Summary: vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update
           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: avg@FreeBSD.org

I've just got crash with this diagnostic and stack trace:

Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 02
fault virtual address   = 0xfffffe0212a00008
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff8068c890
stack pointer           = 0x0:0xfffffe04f0854e50
frame pointer           = 0x0:0xfffffe04f0854e50
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = resume, IOPL = 0
current process         = 87678 (smbd)

vmxnet3_isc_txd_credits_update+0x20 iflib_fast_intr_rxtx+0xf8
intr_event_handle+0xd5 intr_execute_handlers+0x49 Xapic_isr1+0xdc

Through an internet search I found a similar crash reported on netgate forums
with no resolution:
-
https://forum.netgate.com/topic/182898/crash-report-14-0-current-freebsd-14-0-current-1-releng_2_7_0-n255866-686c8d3c1f0
- https://forum.netgate.com/topic/184597/pfsense-reboot-randomly-on-vmware

I have a vmcore, so I can provide any additional information that can be
extracted from it.

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