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Donald Sharp bddd6bb95e pimd: vrf may be NULL from pim_cmd_lookup_vrf 
The call into pim_cmd_lookup_vrf may be NULL
and dereferencing it before ensuring that the
vrf pointer is non-NULL is a good way to crash.

A crash can be initiated in pim:

eva# show ip msdp vrf NOEXIST mesh-group
vtysh: error reading from pimd: Permission denied (13)Warning: closing connection to pimd because of an I/O error!
eva# 2022/08/15 11:47:38 [PHJDC-499N2][EC 100663314] STARVATION: task vtysh_rl_read (560b77f76de6) ran for 16777ms (cpu time 0ms)

eva#

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
2022-08-15 15:45:05 -04:00
.github github: Set strict permissions for stale actions for Github 2022-06-27 09:54:16 +03:00
alpine alpine, docker: Update APKBUILD for libyang 2022-07-17 19:14:28 -04:00
babeld babeld: Install route to RIB if parse_update_subtlv() is false 2022-07-11 20:36:25 +03:00
bfdd Merge pull request #11668 from rampxxxx/bfd_rtt_in_echo_pkt 2022-08-09 15:20:24 +00:00
bgpd bgpd: Ensure bgp_vrf is non-null 2022-08-15 11:24:42 -04:00
debian tools: Add pim6d to tools so that pim6d will work properly 2022-08-06 08:35:59 -04:00
doc Merge pull request #11668 from rampxxxx/bfd_rtt_in_echo_pkt 2022-08-09 15:20:24 +00:00
docker docker: use Alpine-provided libyang 2022-07-17 19:14:28 -04:00
eigrpd eigrpd: vrf variable name hides a parameter of the same name 2022-06-16 16:31:35 -04:00
fpm build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
gdb *: Cleanup some documentation from quagga->frr 2021-11-11 14:41:27 -05:00
grpc build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
include zebra: netlink registry rtm tunnel notif 2022-05-18 07:56:35 -07:00
isisd isisd: Prevent leak of global_ipv6_addrs 2022-07-28 13:58:14 -04:00
ldpd ldpd: Convert thread_cancel to THREAD_OFF 2022-07-21 08:30:50 -04:00
lib lib: Remove invalid function declaration 2022-08-08 17:29:33 +08:00
m4 autoconf: do not .gitignore m4/ax_lua.m4 2022-03-26 15:05:54 +01:00
mlag build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
nhrpd nhrpd: Use frr_weak_random() 2022-08-15 15:45:05 -04:00
ospf6d Merge pull request #11785 from opensourcerouting/fix/remove_ospf6Enabled_from_JSON 2022-08-12 20:29:47 -04:00
ospfclient ospfclient: condition optimization 2022-07-27 14:59:53 +05:30
ospfd ospfd: debug string corrected 2022-08-12 18:37:42 +05:30
pathd pathd: add a zebra stop handler 2022-07-22 08:39:06 +02:00
pbrd zebra: expand pbr rule action for dataplane programming 2022-06-27 07:56:55 -04:00
pceplib *: Properly use memset() when zeroing 2022-05-11 14:08:47 +03:00
pimd pimd: vrf may be NULL from pim_cmd_lookup_vrf 2022-08-15 15:45:05 -04:00
pkgsrc *: cleanup .gitignore files 2018-09-08 21:30:42 +02:00
python python: Remove redundant import of subprocess 2022-06-16 16:31:35 -04:00
qpb qpb: Tell coverity the actual size we are copying 2022-08-02 15:34:43 -04:00
redhat redhat: Drop --enable-systemd from build specification 2022-08-12 11:49:33 +03:00
ripd ripd: Convert thread_cancel to THREAD_OFF 2022-07-21 08:27:35 -04:00
ripngd ripngd: Convert thread_cancel to THREAD_OFF 2022-07-21 08:27:35 -04:00
sharpd build: fix new gcc 11.2 warnings 2022-04-25 14:07:41 +02:00
snapcraft snapcraft: Version must be quoted in snap store 2022-07-07 12:31:03 +02:00
staticd staticd: When changing the underlying nh ensure it is reinstalled 2022-08-08 16:02:40 -04:00
tests ospf6d: Remove ospf6Enabled from JSON output 2022-08-11 17:32:24 +03:00
tools tools: Add pim6d to tools so that pim6d will work properly 2022-08-06 08:35:59 -04:00
vrrpd lib, vrrpd: Use THREAD_ARG 2022-07-21 08:30:50 -04:00
vtysh vtysh: Handle SIGTSTP (C-z) without exiting the vty shell 2022-08-10 16:18:49 +03:00
watchfrr *: Properly use memset() when zeroing 2022-05-11 14:08:47 +03:00
yang isisd: replace ipv4-unicast with standard in config and oper contexts 2022-06-02 21:20:45 +02:00
zebra zebra: Remove unused assignment in zebra_dplane.c 2022-08-15 11:20:59 -04:00
.clang-format lib: add _last and _prev on typesafe RB/DLIST 2022-03-12 13:23:36 +01:00
.dir-locals.el tests: remove python format block from dir-locals 2021-09-13 10:04:29 -04:00
.dockerignore docker: Make docker image on CentOS 7 2019-11-26 19:29:30 +00:00
.git-blame-ignore-revs tools: Ignore mass renaming of topotests for git blame 2021-05-11 14:14:26 +03:00
.gitignore *: Add some missed make check generated files in .gitignore 2021-09-16 08:13:17 -04:00
.pylintrc tests: micronet: update infra 2021-09-04 09:04:46 -04:00
.travis.yml lib: libyang2 add missed conversion 2021-05-17 22:13:59 -04:00
bootstrap.sh build: turn on automake warnings (& symlinks) 2021-04-21 15:42:37 +02:00
buildtest.sh build: remove --enable-exampledir 2021-06-24 16:42:58 +02:00
config.version.in build: carry --with-pkg-extra-version into tarballs 2018-10-24 15:11:50 +02:00
configure.ac pim6d: Disable pim6d compilation by default 2022-07-07 07:14:27 -07:00
COPYING *: make consistent & update GPLv2 file headers 2017-05-15 16:37:41 +02:00
COPYING-LGPLv2.1 build: remove LGPL v2.0, add LGPL v2.1 2016-11-15 17:19:38 +09:00
Makefile.am build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
README.md doc: Fix the link that points to Slack invitation in README 2022-03-24 13:13:37 +02:00
stamp-h.in Initial revision 2002-12-13 20:15:29 +00:00
version.h build: make builddir include path consistent 2021-04-21 15:42:33 +02:00

README.md

Icon

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