r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/tty/drivers\x00', 0x0, 0x0)
preadv(r0, &(0x7f0000000040)=[{&(0x7f00000010c0)=""/4105, 0x1009}], 0x1, 0xfffffffb, 0x0)