r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000010c0)='/proc/locks\x00', 0x0, 0x0)
r1 = dup(r0)
pipe(&(0x7f00000003c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0xfffffffe, 0x0)