Displaying 3 results from an estimated 3 matches for "fib_multipath_hash_policy".
2018 Dec 20
1
4.20-rc6: WARNING: CPU: 30 PID: 197360 at net/core/flow_dissector.c:764 __skb_flow_dissect
...new packet with inet_rtm_getroute_build_skb
> > here without dev or sk.
>
> Ack
>
> >
> > > Problem is the synthesized skb for output route resolution does not have
> > > skb->dev or skb->sk set. When a multipath route is hit and
> > > net.ipv4.fib_multipath_hash_policy is set the flow dissector is called
> > > with this skb and the warning is triggered.
> > >
> > > I plan to fix it by setting skb->dev to net->loopback_dev.
> >
> > The device can be chosen based on iif in inet_rtm_getroute? A first
> > thought, I...
2018 Dec 20
0
4.20-rc6: WARNING: CPU: 30 PID: 197360 at net/core/flow_dissector.c:764 __skb_flow_dissect
...5.348634] inet_rtm_getroute+0x3f7/0xb80
inet_rtm_getroute builds a new packet with inet_rtm_getroute_build_skb
here without dev or sk.
> Problem is the synthesized skb for output route resolution does not have
> skb->dev or skb->sk set. When a multipath route is hit and
> net.ipv4.fib_multipath_hash_policy is set the flow dissector is called
> with this skb and the warning is triggered.
>
> I plan to fix it by setting skb->dev to net->loopback_dev.
The device can be chosen based on iif in inet_rtm_getroute? A first
thought, I don't know this code very well.
Let me know if you wan...
2018 Dec 20
0
4.20-rc6: WARNING: CPU: 30 PID: 197360 at net/core/flow_dissector.c:764 __skb_flow_dissect
...348718] R13: 000055933eb90020 R14: 0000000000000000 R15: 00007fff82d63030
> [280155.348722] ---[ end trace e14023d76a175374 ]---
>
> Problem is the synthesized skb for output route resolution does not have
> skb->dev or skb->sk set. When a multipath route is hit and
> net.ipv4.fib_multipath_hash_policy is set the flow dissector is called
> with this skb and the warning is triggered.
>
> I plan to fix it by setting skb->dev to net->loopback_dev. I assume we
> want to keep this warning to prevent call paths which will otherwise
> silently fallback to standard flow dissector in...