r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sr(0xffffffffffffff9c, &(0x7f0000000440), 0x4840, 0x0)
r2 = dup2(r1, r0)
ioctl$SG_IO(r2, 0x2285, &(0x7f00000022c0)={0x53, 0xfffffffffffffffe, 0x6, 0x0, @buffer={0x300, 0x20000, &(0x7f0000000140)=""/224}, &(0x7f0000001240)="05ae46670f9d", 0x0, 0x0, 0x0, 0x0, 0x0})