r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000480), 0x0, 0x0)
io_setup(0x3, &(0x7f0000000000)=<r1=>0x0)
io_submit(r1, 0x1, &(0x7f0000002e00)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, r0, 0x0}])