r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/keys\x00', 0x0, 0x0)
r1 = dup2(r0, r0)
preadv(r1, &(0x7f00000001c0)=[{&(0x7f00000015c0)=""/4106, 0x100a}], 0x1, 0x0, 0x0)