uvm_fault(fffffd807261eb88,e10cd9d5000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:700
upageflttrap(ffff80003c42def0,e10cd9d5000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003c42def0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7993bf6e28a0, count: -12
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(fffffd806b73c330,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806b73c318,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806b73c318,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd80627b16c0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd80627b16c0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_getcwd_common(fffffd80627b16c0,fffffd80627b1bd0,0,0,200,0,619a6db8dfeab7e9) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287
vn_isunder(fffffd80627b16c0,fffffd80627b1bd0,ffff800031009248) at vn_isunder+0x56 sys/kern/vfs_vnops.c:694
unp_externalize(fffffd807ed28b00,f0,0) at unp_externalize+0x26f sys/kern/uipc_usrreq.c:1090
soreceive(ffff800010fdd4a8,ffff80003c46cd58,ffff80003c46cd08,0,ffff80003c46cd40,ffff80003c46cecc,f461b19f1820e035) at soreceive+0xc24 sys/kern/uipc_socket.c:1009
recvit(ffff800031009248,6,ffff80003c46cea0,0,ffff80003c46cf50) at recvit+0x40b sys/kern/uipc_syscalls.c:1078
sys_recvmsg(ffff800031009248,ffff80003c46d000,ffff80003c46cf50) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
syscall(ffff80003c46d000) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c46d000) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x67733fc4b10, count: -14