diff options
Diffstat (limited to 'net/ipv4/fib_frontend.c')
| -rw-r--r-- | net/ipv4/fib_frontend.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 317339cd7f03..e8bc939b56dd 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -388,6 +388,11 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, fib_combine_itag(itag, &res); dev_match = fib_info_nh_uses_dev(res.fi, dev); + /* This is not common, loopback packets retain skb_dst so normally they + * would not even hit this slow path. + */ + dev_match = dev_match || (res.type == RTN_LOCAL && + dev == net->loopback_dev); if (dev_match) { ret = FIB_RES_NHC(res)->nhc_scope >= RT_SCOPE_HOST; return ret; |