84a89a8d2e
We should be NULL checking the entire re->nhe struct, not the group inside of it. When we get routes from the kernel using a nexthop group (and future protocols) they will only pass us an ID to use. Hence, this struct can (and will be) NULL on first attach when only passed an ID. There shouldn't be a situation where we have an re->nhe and don't have an re->nhe->nhg anyway. Before this patch you can easily make zebra crash by creating a route in the kernel using a nexthop group and starting zebra. `ip next add dev lo id 111` `ip route add 1.1.1.1/32 nhid 111` Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com> |
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FRRouting
FRR is free software that implements and manages various IPv4 and IPv6 routing protocols. It runs on nearly all distributions of Linux and BSD as well as Solaris and supports all modern CPU architectures.
FRR currently supports the following protocols:
- BGP
- OSPFv2
- OSPFv3
- RIPv1
- RIPv2
- RIPng
- IS-IS
- PIM-SM/MSDP
- LDP
- BFD
- Babel
- PBR
- OpenFabric
- VRRP
- EIGRP (alpha)
- NHRP (alpha)
Installation & Use
For source tarballs, see the releases page.
For Debian and its derivatives, use the APT repository at https://deb.frrouting.org/.
Instructions on building and installing from source for supported platforms may be found in the developer docs.
Once installed, please refer to the user guide for instructions on use.
Community
The FRRouting email list server is located here and offers the following public lists:
| Topic | List |
|---|---|
| Development | dev@lists.frrouting.org |
| Users & Operators | frog@lists.frrouting.org |
| Announcements | announce@lists.frrouting.org |
For chat, we currently use Slack. You can join by clicking the "Slack" link under the Participate section of our website.
Contributing
FRR maintains developer's documentation which contains the project workflow and expectations for contributors. Some technical documentation on project internals is also available.
We welcome and appreciate all contributions, no matter how small!
Security
To report security issues, please use our security mailing list:
security [at] lists.frrouting.org