io_setup(0xf7, &(0x7f00000000c0)=<r0=>0x0)
r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
io_submit(r0, 0x1, &(0x7f0000000900)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x3, 0x0, r1, 0x0, 0xfffffcb9}])