r0 = epoll_create(0x3ff)
r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x8, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000200))
syz_io_uring_submit(0x0, 0x0, 0x0, 0x0)
epoll_pwait(r0, &(0x7f0000000040)=[{}], 0x1, 0x2, 0x0, 0x0)