uvm_fault(fffffd800b026000,840156ee000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700
upageflttrap(ffff80003b3fb140,840156ee000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003b3fb140) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x74fc7b89d290, count: -11
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:438
witness_checkorder(fffffd806c4637a0,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806c463788,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:232
rrw_enter(fffffd806c463788,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:605
VOP_LOCK(fffffd8075185b08,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
vn_lock(fffffd8075185b08,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003c4ef0d8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff80003c4ef0d8) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff800010fdc018,fffffd806cb9da00,ffff80003c0007e8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff800010fdc018,fffffd8062fe8c00,fffffd806cb9da00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:609
sosend(ffff800010fdc018,fffffd806cb9da00,ffff80003c4ef358,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c0007e8,3,ffff80003c4ef4d0,8,ffff80003c4ef590) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80003c0007e8,ffff80003c4ef640,ffff80003c4ef590) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80003c4ef640) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4ef640) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb43be338a30, count: -15