r0 = socket$unix(0x1, 0x1, 0x0)
fcntl$setown(r0, 0x8, 0xffffffffffffffff)
fcntl$getownex(r0, 0x10, &(0x7f00000009c0)={0x0, <r1=>0x0})
r2 = pidfd_open(r1, 0x0)
r3 = dup(r2)
process_madvise(r3, 0x0, 0x0, 0x14, 0x0)