uvm_fault(fffffd806e0278f8,400000000000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:668
upageflttrap(ffff80003c4ea470,400000000234) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003c4ea470) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x6fec27652960, count: -13
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
witness_checkorder(ffff8000015cf030,9,0) at witness_checkorder+0x1b4
rw_do_enter_write(ffff8000015cf018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
unveil_delete_names(ffff8000015cf000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102
unveil_destroy(ffff80002cd56008) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183
exit1(ffff80002cd72f68,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233
sys_exit(ffff80002cd72f68,ffff80002cca8f40,ffff80002cca8e90) at sys_exit+0x1a
syscall(ffff80002cca8f40) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002cca8f40) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x710c24c9a130, count: -9