uvm_fault(0xfffffd806d1b7740, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8267e50b cs 8 rflags 10246 cr2 0 cpl 2 rsp ffff80002fcb1070
gsbase 0xffffffff83959ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff8267e50b
Starting stack trace...
panic(ffffffff834b32b9) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002fcb0fc0) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315
in_pcbhash_insert(fffffd806fad3698) at in_pcbhash_insert+0x193 sys/netinet/in_pcb.c:-1
in_pcballoc(ffff8000015a1c10,ffffffff83a20490,1) at in_pcballoc+0x23a sys/netinet/in_pcb.c:269
udp_attach(ffff8000015a1c10,0,1) at udp_attach+0xde sys/netinet/udp_usrreq.c:1135
socreate(18,ffff80002fcb1290,2,0) at socreate+0x22f pru_attach sys/sys/protosw.h:275 [inline]
socreate(18,ffff80002fcb1290,2,0) at socreate+0x22f sys/kern/uipc_socket.c:220
sys_socket(ffff80002a7362a0,ffff80002fcb13d0,ffff80002fcb1320) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80002fcb13d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002fcb13d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x420aa547080, count: 246
End of stack trace.
WARNING: SPL NOT LOWERED ON SYSCALL 83 -1307113856 EXIT 0 2
Stopped at      savectx+0xae:   movl    $0,%gs:0x688
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*114112  11322      0           0          0    0  syz-executor
savectx() at savectx+0xae
end of kernel
end trace frame: 0x7ab9659884f0, count: 14
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb> 
ddb> set $lines = 0
ddb>