uvm_fault(fffffd807c1e8918,680d9fd4000,0,2) at uvm_fault+0x19c sys/uvm/uvm_fault.c:676
upageflttrap(ffff80003c5115a0,680d9fd4078) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003c5115a0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x758da8d86720, 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(fffffd806f168758,9,0) at witness_checkorder+0x1047
rw_do_enter_write(fffffd806f168740,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
rrw_enter(fffffd806f168740,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
VOP_LOCK(fffffd800cb91be8,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd800cb91be8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd800cb91be8,2001) at vget+0x2bd sys/kern/vfs_subr.c:694
ktrwriteraw(ffff80003c54c038,fffffd800cb91be8,fffffd807f7d24e0,ffff80003c50aa00,ffff80003c50a9e0) at ktrwriteraw+0x172 sys/kern/kern_ktrace.c:688
ktrnamei(ffff80003c54c038,ffff80002a326c00) at ktrnamei+0x148 sys/kern/kern_ktrace.c:222
namei(ffff80003c50ab38) at namei+0x2a2 sys/kern/vfs_lookup.c:170
unp_connect(ffff8000014412e0,fffffd805f3bb100,ffff80003c54c038) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff8000014412e0,fffffd805f3ba500,fffffd805f3bb100,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff8000014412e0,fffffd805f3bb100,ffff80003c50adb8,0,0,0) at sosend+0x804
sendit(ffff80003c54c038,6,ffff80003c50af30,0,ffff80003c50aff0) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80003c54c038,ffff80003c50b0a0,ffff80003c50aff0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80003c50b0a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c50b0a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb818391e620, count: -17