6e076ba523
1. Consider a established L2VPN EVPN BGP peer with soft-reconfiguartion inbound configured 2. When the interface of this directly connected BGP peer is shutdown, bgp_soft_reconfig_table_update() is called, which memsets the evpn buffer and calls bgp_update() with received attributes stored in ain table(ain->attr). In bgp_update(), evpn_overlay attribute in ain->attr (which is an interned attr) was modified by doing a memcpy 3. Above action causes 2 attributes in the attrhash (which were previously different) to match! 4. Later during fsm change event of the peer, bgp_adj_in_remove() is called to clean up the ain->attr. But, because 2 attrs in attrhash match, it causes BGP to assert in bgp_attr_unintern() Signed-off-by: Pooja Jagadeesh Doijode <pdoijode@nvidia.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 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