uvm_fault(fffffd806bf1e8e0,59168e3c000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622
upageflttrap(ffff80002a114c10,59168e3c000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80002a114c10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7ea4021ace70, 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:437
witness_checkorder(fffffd807106eb40,9,0) at witness_checkorder+0x1047
rw_enter(fffffd807106eb30,1) at rw_enter+0x122
rrw_enter(fffffd807106eb30,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464
VOP_LOCK(fffffd8068812d80,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd8068812d80,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564
vfs_getcwd_common(fffffd8068812d80,fffffd8068812d80,0,0,200,0,d7d98a7df1062cd1) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287
vn_isunder(fffffd8068812d80,fffffd8068812d80,ffff8000ffffc010) at vn_isunder+0x56 sys/kern/vfs_vnops.c:688
unp_externalize(fffffd8061934800,e7,0) at unp_externalize+0x286 sys/kern/uipc_usrreq.c:1094
soreceive(ffff80000131ba10,ffff8000355b0098,ffff8000355b0048,0,ffff8000355b0088,ffff8000355b020c,ade0d137d9d13d1e) at soreceive+0xd3e sys/kern/uipc_socket.c:1092
recvit(ffff8000ffffc010,5,ffff8000355b01e0,0,ffff8000355b0290) at recvit+0x40a sys/kern/uipc_syscalls.c:1082
sys_recvmsg(ffff8000ffffc010,ffff8000355b0340,ffff8000355b0290) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:882
syscall(ffff8000355b0340) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000355b0340) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd1872b00e30, count: -14