r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/netlink\x00')
preadv2(r0, &(0x7f0000001980)=[{&(0x7f0000000700)=""/4096, 0x1000}], 0x1, 0x7, 0x0, 0x0)