r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/bus/input/handlers\x00', 0x0, 0x0)
preadv(r0, &(0x7f0000000080)=[{&(0x7f0000001e80)=""/165, 0xa5}], 0x1, 0x9af, 0x0)