r0 = signalfd(0xffffffffffffffff, &(0x7f0000000000), 0x8)
pipe(&(0x7f00000003c0)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$int_in(r2, 0x5452, &(0x7f0000000040)=0x9)
dup2(r0, r1)