df97a9d133
The `locator` pointer is dereferenced before ensuring it is not NULL.
Fix the issue by checking that the pointer is not NULL before
dereferencing it.
Fixes 1594013
** CID 1594013: Null pointer dereferences (REVERSE_INULL)
/zebra/zebra_srv6.c: 961 in zebra_srv6_sid_compose()
________________________________________________________________________________________________________
*** CID 1594013: Null pointer dereferences (REVERSE_INULL)
/zebra/zebra_srv6.c: 961 in zebra_srv6_sid_compose()
955 struct srv6_locator *locator,
956 uint32_t sid_func)
957 {
958 uint8_t offset, func_len;
959 struct srv6_sid_format *format = locator->sid_format;
960
CID 1594013: Null pointer dereferences (REVERSE_INULL)
Null-checking "locator" suggests that it may be null, but it has already been dereferenced on all paths leading to the check.
961 if (!sid_value || !locator)
962 return false;
963
964 if (format) {
965 offset = format->block_len + format->node_len;
966 func_len = format->function_len;
Signed-off-by: Carmine Scarpitta <cscarpit@cisco.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