io_setup(0x6, &(0x7f0000000140)=0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) io_submit(r0, 0x1, &(0x7f0000002240)=[&(0x7f0000000280)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}])