r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/cpuinfo\x00', 0x0, 0x0)
r1 = dup(r0)
preadv(r1, &(0x7f0000000200)=[{&(0x7f0000000040)=""/39, 0x27}], 0x1, 0xffff57e9, 0x0)