panic: trap type 8, code=0, pc=ffffffff8189147f
Starting stack trace...
panic(ffffffff8259de14) at panic+0x16b sys/kern/subr_prf.c:229
kerntrap(ffff800029535650) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:313
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rc4_keysetup(ffff8000295ae452,ffff8000295ae564,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41
pipex_mppe_init(ffff8000295ae418,6161,6161,ffff800000d7ee6c,6161) at pipex_mppe_init+0x212 sys/net/pipex.c:2319
pipex_init_session(ffff8000295358d8,ffff800000d7ec00) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline]
pipex_init_session(ffff8000295358d8,ffff800000d7ec00) at pipex_init_session+0x5e1 sys/net/pipex.c:385
pppacioctl(4086334,82907003,ffff800000d7ec00,1,ffff800028eaa2b0) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1315 [inline]
pppacioctl(4086334,82907003,ffff800000d7ec00,1,ffff800028eaa2b0) at pppacioctl+0x156 sys/net/if_pppx.c:1165
VOP_IOCTL(fffffd805daec560,82907003,ffff800000d7ec00,1,fffffd8061443f10,ffff800028eaa2b0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806cc61870,82907003,ffff800000d7ec00,ffff800028eaa2b0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff800028eaa2b0,ffff800029535c28,ffff800029535c70) at sys_ioctl+0x4a2
syscall(ffff800029535cf0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800029535cf0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3b52b32fc20, count: 245
End of stack trace.