r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/tty/drivers\x00', 0x0, 0x0)
openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = openat$bsg(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
dup2(r1, r0)