panic: trap type 4, code=0, pc=ffffffff8102c575
Starting stack trace...
panic(ffffffff825a2097) at panic+0x16b sys/kern/subr_prf.c:229
kerntrap(ffff8000294f8760) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
pool_do_put(ffffffff82b4e440,fffffd805edba048) at pool_do_put+0x115
pool_put(ffffffff82b4e440,fffffd805edba048) at pool_put+0x8b sys/kern/subr_pool.c:799
soclose(fffffd805edba048,0) at soclose+0x4ba sys/kern/uipc_socket.c:432
soo_close(fffffd807a5cca30,ffff800025372d30) at soo_close+0x40
fdrop(fffffd807a5cca30,ffff800025372d30) at fdrop+0xc7 sys/kern/kern_descrip.c:1274
closef(fffffd807a5cca30,ffff800025372d30) at closef+0x11c sys/kern/kern_descrip.c:1258
fdfree(ffff800025372d30) at fdfree+0xe4 sys/kern/kern_descrip.c:1190
exit1(ffff800025372d30,1,0,1) at exit1+0x37d sys/kern/kern_exit.c:196
sys_exit(ffff800025372d30,ffff8000294f8b50,ffff8000294f8ba0) at sys_exit+0x16 sys/kern/kern_exit.c:89
syscall(ffff8000294f8c20) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000294f8c20) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffbddb0, count: 243
End of stack trace.