On 10/21/24 12:20, Paolo Abeni wrote: > On 10/15/24 16:07, Menglong Dong wrote: >> @@ -1785,9 +1785,10 @@ static int __mkroute_input(struct sk_buff *skb, const struct fib_result *res, >> return -EINVAL; >> } >> >> - err = fib_validate_source(skb, saddr, daddr, dscp, FIB_RES_OIF(*res), >> - in_dev->dev, in_dev, &itag); >> + err = __fib_validate_source(skb, saddr, daddr, dscp, FIB_RES_OIF(*res), >> + in_dev->dev, in_dev, &itag); >> if (err < 0) { >> + err = -EINVAL; >> ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr, >> saddr); > > I'm sorry for not noticing this issue before, but must preserve (at > least) the -EXDEV error code from the unpatched version or RP Filter MIB > accounting in ip_rcv_finish_core() will be fooled. Please, ignore this comment. ENOCOFFEE here, sorry. /P