r0 = epoll_create(0x1)
r1 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000100)={0x20000008})
signalfd4(r1, &(0x7f0000000080), 0x8, 0x0)