witness: lock_object uninitialized: 0xffff800000c73028
Starting stack trace...
witness_checkorder(ffff800000c73028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000c73028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000c73018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000c73000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000c73000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000220c7620) at unveil_destroy+0xad sys/kern/kern_unveil.c:191
exit1(ffff8000212537a8,0,0,3) at exit1+0x3d5 sys/kern/kern_exit.c:225
single_thread_check_locked(ffff8000212537a8,0,0) at single_thread_check_locked+0x227 sys/kern/kern_sig.c:1958
userret(ffff8000212537a8) at userret+0x224 single_thread_check sys/kern/kern_sig.c:1999 [inline]
userret(ffff8000212537a8) at userret+0x224 sys/kern/kern_sig.c:1946
syscall(ffff800027ae8570) at syscall+0x57e mi_syscall_return sys/sys/syscall_mi.h:129 [inline]
syscall(ffff800027ae8570) at syscall+0x57e sys/arch/amd64/amd64/trap.c:607
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffafc0, count: 248
End of stack trace.
Stopped at      db_enter+0x18:  addq    $0x8,%rsp