r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
io_setup(0x9, &(0x7f0000000140)=<r1=>0x0)
io_submit(r1, 0x1, &(0x7f0000000840)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x7, 0x0, r0, 0x0}])