=== DF-0035 panic #1 (msgbuf_oob_decisive, first run) ===
195:panic: assertion "obj != NULL" failed in vm_object_hold_shared at /usr/src/sys/vm/vm_object.c:330
198:vm_object_hold_shared() at vm_object_hold_shared+0x3f 0xffffffff809ab0cf 
199:vm_object_hold_shared() at vm_object_hold_shared+0x3f 0xffffffff809ab0cf 
200:vm_fault() at vm_fault+0x408 0xffffffff8099d7c8 
201:trap_pfault() at trap_pfault+0x9a 0xffffffff80bd49da 
202:trap() at trap+0x17c 0xffffffff80bd52dc 
203:calltrap() at calltrap+0x9 0xffffffff80b9890a 
204:--- trap 000000000000000c, rip = ffffffff80bca5ba, rsp = fffff800ab965730, rbp = fffff800ab965768 ---
205:std_copyout() at std_copyout+0x15a 0xffffffff80bca5ba 
208:CPU1 stopping CPUs: 0x00000001
210:Stopped at      Debugger+0x7c:  movb    $0,0xbd77f9(%rip)
211:db> 

=== DF-0035 panic #2 (msgbuf_oob_decisive, repeat for reproducibility) ===
194:login: panic: assertion "obj != NULL" failed in vm_object_hold_shared at /usr/src/sys/vm/vm_object.c:330
197:vm_object_hold_shared() at vm_object_hold_shared+0x3f 0xffffffff809ab0cf 
198:vm_object_hold_shared() at vm_object_hold_shared+0x3f 0xffffffff809ab0cf 
199:vm_fault() at vm_fault+0x408 0xffffffff8099d7c8 
200:trap_pfault() at trap_pfault+0x9a 0xffffffff80bd49da 
201:trap() at trap+0x17c 0xffffffff80bd52dc 
202:calltrap() at calltrap+0x9 0xffffffff80b9890a 
203:--- trap 000000000000000c, rip = ffffffff80bca5ba, rsp = fffff800aae5c730, rbp = fffff800aae5c768 ---
204:std_copyout() at std_copyout+0x15a 0xffffffff80bca5ba 
207:CPU0 stopping CPUs: 0x00000002
209:Stopped at      Debugger+0x7c:  movb    $0,0xbd77f9(%rip)
210:db>