panic: trap type 8, code=0, pc=ffffffff81224cff
Starting stack trace...
panic(ffffffff8259e763) at panic+0x16b sys/kern/subr_prf.c:229
kerntrap(ffff80002c848810) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:313
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rc4_keysetup(ffff80002c85831a,ffff80002c85842c,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41
pipex_mppe_init(ffff80002c8582e0,782f,22c9,ffff800000ba8a6c,782f) at pipex_mppe_init+0x212 sys/net/pipex.c:2319
pipex_init_session(ffff80002c848a98,ffff800000ba8800) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline]
pipex_init_session(ffff80002c848a98,ffff800000ba8800) at pipex_init_session+0x5e1 sys/net/pipex.c:385
pppacioctl(4086334,82907003,ffff800000ba8800,1,ffff8000fffeea88) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1315 [inline]
pppacioctl(4086334,82907003,ffff800000ba8800,1,ffff8000fffeea88) at pppacioctl+0x156 sys/net/if_pppx.c:1165
VOP_IOCTL(fffffd80687362d0,82907003,ffff800000ba8800,1,fffffd807f7d75b0,ffff8000fffeea88) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd807a1e70b8,82907003,ffff800000ba8800,ffff8000fffeea88) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff8000fffeea88,ffff80002c848de8,ffff80002c848e30) at sys_ioctl+0x4a2
syscall(ffff80002c848eb0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002c848eb0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd1c8f7f000, count: 245
End of stack trace.