r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x80c82, 0x0)
ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)
io_setup(0x200, &(0x7f00000000c0)=<r1=>0x0)
io_submit(r1, 0x1, &(0x7f00000002c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r0, 0x0}])