panic: uvm_fault: fault on non-pageable map (0xffffffff8254b350, 0xffff800000a7e000)
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*443057  36374      0           0  0x4000000    0  syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
uvm_fault(ffffffff82500f68,ffff800000a7e000,1,4) at uvm_fault+0x2148 uvmfault_amapcopy sys/uvm/uvm_fault.c:463 [inline]
uvm_fault(ffffffff82500f68,ffff800000a7e000,1,4) at uvm_fault+0x2148 sys/uvm/uvm_fault.c:559
pageflttrap() at pageflttrap+0x239 sys/arch/amd64/amd64/trap.c:199
kerntrap(ffff80001797a020) at kerntrap+0xdb sys/arch/amd64/amd64/trap.c:287
alltraps_kern_meltdown(6,ffff800014931000,fffffd802e465858,11,ffff800000025700,ffff80001797a288) at alltraps_kern_meltdown+0x7b
ffff800000a7e800(b,ffff80001797a1e8,83,ffff80001797a288,0,b) at 0xffff800000a7e800
rt_match(fffffd803ba39b70,0,1,0) at rt_match+0xbe rt_clone sys/net/route.c:266 [inline]
rt_match(fffffd803ba39b70,0,1,0) at rt_match+0xbe sys/net/route.c:242
in_pcbselsrc(ffff80001797a360,fffffd802a53ff20,fffffd803ba39af0) at in_pcbselsrc+0x219 sys/netinet/in_pcb.c:934
in_pcbconnect(fffffd803ba39af0,fffffd802a53ff00) at in_pcbconnect+0x107 sys/netinet/in_pcb.c:492
udp_usrreq(fffffd803ba3a900,4,0,fffffd802a53ff00,0,ffff8000ffff2290) at udp_usrreq+0x560
sys_connect(ffff8000ffff2290,ffff80001797a4e8,ffff80001797a530) at sys_connect+0x3df sys/kern/uipc_syscalls.c:388
syscall(ffff80001797a5b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,fffffffffffffed2,0,3,a3f5975b010) at Xsyscall+0x128
end of kernel
end trace frame: 0xa4223e15990, count: 1
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