uvm_fault(fffffd806c6c79a8,4e163bcd000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650
upageflttrap(ffff8000363b7270,4e163bcd000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff8000363b7270) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7893ca082880, 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:438
witness_checkorder(fffffd8068e94a08,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd8068e949f0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd8068e949f0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd8067f57208,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffffd8067f57208,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8067f57208,2001) at vget+0x2a2 sys/kern/vfs_subr.c:686
ktrwriteraw(ffff8000357b0d30,fffffd8067f57208,fffffd80097fd4e0,ffff80003c4ccaa0,ffff80003c4cca80) at ktrwriteraw+0x175 sys/kern/kern_ktrace.c:688
ktrnamei(ffff8000357b0d30,ffff80002a234000) at ktrnamei+0x145 ktrwrite sys/kern/kern_ktrace.c:-1 [inline]
ktrnamei(ffff8000357b0d30,ffff80002a234000) at ktrnamei+0x145 sys/kern/kern_ktrace.c:222
namei(ffff80003c4ccbf0) at namei+0x29e sys/kern/vfs_lookup.c:170
unp_connect(ffff80000169b4d0,fffffd8063ffa700,ffff8000357b0d30) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff80000169b4d0,fffffd805f412300,fffffd8063ffa700,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff80000169b4d0,fffffd8063ffa700,ffff80003c4cce78,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000357b0d30,6,ffff80003c4ccff8,e,ffff80003c4cd0b0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff8000357b0d30,ffff80003c4cd160,ffff80003c4cd0b0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff80003c4cd160) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4cd160) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcd96f046880, count: -17