r0 = signalfd(0xffffffffffffffff, &(0x7f0000000000), 0x8)
readv(r0, &(0x7f0000000080)=[{&(0x7f0000001b40)=""/171, 0xab}], 0x1)
syz_genetlink_get_family_id$ipvs(0x0, 0xffffffffffffffff)