r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/bus/input/devices\x00', 0x0, 0x0)
readv(r0, &(0x7f00000007c0)=[{&(0x7f0000000080)=""/192, 0xc0}, {&(0x7f0000000140)=""/238, 0xee}, {&(0x7f0000000240)=""/31, 0x1f}, {&(0x7f00000003c0)=""/243, 0xf3}, {0x0, 0x2}, {0x0}, {0x0}, {&(0x7f0000000580)=""/120, 0x78}, {0x0}], 0x9)