=== DF-0624 live reproduction panic (CLAIM_PCOUNT=65535, BODY=200) ===
=== guest uname (before panic): ===
 1. Boot DragonFly [kernel]                  ,--,                       ,--,   
=== boot.log relevant excerpt ===
202:login: netsmb_dev: loaded
203:bug: ecnt = 16705, but data is NULL (please report)
204:md_get_mem(474): incomplete copy
205:md_get_mem(474): incomplete copy
206:md_get_mem(474): incomplete copy
207:md_get_mem(474): incomplete copy
208:md_get_mem(474): incomplete copy
209:md_get_mem(474): incomplete copy
210:md_get_mem(474): incomplete copy
211:md_get_mem(474): incomplete copy
212:md_get_mem(474): incomplete copy
213:md_get_mem(474): incomplete copy
214:md_get_mem(474): incomplete copy
215:bug: ecnt = 16705, but data is NULL (please report)
216:md_get_mem(474): incomplete copy
217:md_get_mem(474): incomplete copy
218:md_get_mem(474): incomplete copy
219:md_get_mem(474): incomplete copy
220:md_get_mem(474): incomplete copy
221:md_get_mem(474): incomplete copy
222:md_get_mem(474): incomplete copy
223:md_get_mem(474): incomplete copy
224:md_get_mem(474): incomplete copy
225:md_get_mem(474): incomplete copy
226:md_get_mem(474): incomplete copy
227:panic: overflowed mbuf 0xfffff801175c3c00
228:cpuid = 1
229:Trace beginning at frame 0xfffff8011799b5e8
230:m_free() at m_free+0x351 0xffffffff806bdff1 
231:m_free() at m_free+0x351 0xffffffff806bdff1 
232:m_freem() at m_freem+0x15 0xffffffff806be265 
233:md_done() at md_done+0x1c 0xffffffff827b57bc 
234:smb_t2_done() at smb_t2_done+0x2a 0xffffffff826163ea 
235:smbfs_findclose() at smbfs_findclose+0x86 0xffffffff82620ec6 
236:Debugger("panic")
240:Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
241:db>