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Stephen Worley b14fa9c4dc lib: disable vrf before terminating interfaces 
We must disable the vrf before we start terminating interfaces.

On termination, we free the 'zebra_if' struct from the interface ->info
pointer. We rely on that for subsystems like vxlan for cleanup when
shutting down.

'''
==497406== Invalid read of size 8
==497406==    at 0x47E70A: zebra_evpn_del (zebra_evpn.c:1103)
==497406==    by 0x47F004: zebra_evpn_cleanup_all (zebra_evpn.c:1363)
==497406==    by 0x4F2404: zebra_evpn_vxlan_cleanup_all (zebra_vxlan.c:1158)
==497406==    by 0x4917041: hash_iterate (hash.c:267)
==497406==    by 0x4F25E2: zebra_vxlan_cleanup_tables (zebra_vxlan.c:5676)
==497406==    by 0x4D52EC: zebra_vrf_disable (zebra_vrf.c:209)
==497406==    by 0x49A247F: vrf_disable (vrf.c:340)
==497406==    by 0x49A2521: vrf_delete (vrf.c:245)
==497406==    by 0x49A2E2B: vrf_terminate_single (vrf.c:533)
==497406==    by 0x49A2D8F: vrf_terminate (vrf.c:561)
==497406==    by 0x441240: sigint (main.c:192)
==497406==    by 0x4981F6D: frr_sigevent_process (sigevent.c:130)
==497406==  Address 0x6d68c68 is 200 bytes inside a block of size 272 free'd
==497406==    at 0x48470E4: free (vg_replace_malloc.c:872)
==497406==    by 0x4942CF0: qfree (memory.c:141)
==497406==    by 0x49196A9: if_delete (if.c:293)
==497406==    by 0x491C54C: if_terminate (if.c:1031)
==497406==    by 0x49A2E22: vrf_terminate_single (vrf.c:532)
==497406==    by 0x49A2D8F: vrf_terminate (vrf.c:561)
==497406==    by 0x441240: sigint (main.c:192)
==497406==    by 0x4981F6D: frr_sigevent_process (sigevent.c:130)
==497406==    by 0x499A5F0: thread_fetch (thread.c:1775)
==497406==    by 0x492850E: frr_run (libfrr.c:1197)
==497406==    by 0x441746: main (main.c:476)
==497406==  Block was alloc'd at
==497406==    at 0x4849464: calloc (vg_replace_malloc.c:1328)
==497406==    by 0x49429A5: qcalloc (memory.c:116)
==497406==    by 0x491D971: if_new (if.c:174)
==497406==    by 0x491ACC8: if_create_name (if.c:228)
==497406==    by 0x491ABEB: if_get_by_name (if.c:613)
==497406==    by 0x427052: netlink_interface (if_netlink.c:1178)
==497406==    by 0x43BC18: netlink_parse_info (kernel_netlink.c:1188)
==497406==    by 0x4266D7: interface_lookup_netlink (if_netlink.c:1288)
==497406==    by 0x42B634: interface_list (if_netlink.c:2368)
==497406==    by 0x4ABF83: zebra_ns_enable (zebra_ns.c:127)
==497406==    by 0x4AC17E: zebra_ns_init (zebra_ns.c:216)
==497406==    by 0x44166C: main (main.c:408)
'''

Signed-off-by: Stephen Worley <sworley@nvidia.com>
2022-11-22 17:42:29 -05:00
.github github: Use action-regex-match action for adding backport label 2022-11-21 21:06:40 +02:00
alpine docker: Compile Alpine image using PCRE2 2022-11-07 21:23:53 +02:00
babeld build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
bfdd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
bgpd Merge pull request #12311 from opensourcerouting/feature/bgp_snmp_bgp4v2-mib 2022-11-22 14:58:22 -05:00
debian debian: Enable pim6d build by default 2022-11-21 20:07:33 +01:00
doc doc: Update doc to reflect default pim6d in packaging 2022-11-21 20:09:41 +01:00
docker docker: Use Alpine 3.16 image 2022-11-07 21:23:53 +02:00
eigrpd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
fpm build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
gdb gdb: Add a macro to walk memory allocations 2022-08-24 07:13:29 -04:00
grpc build: fix gRPC build dependencies 2022-10-26 17:12:34 +01:00
include include: add pkt_cls.h to automake headers 2022-11-22 22:35:34 +08:00
isisd isisd: fix area NULL pointer in isis_route_update 2022-11-17 10:09:54 +01:00
ldpd Merge pull request #12196 from opensourcerouting/xref-vtysh 2022-11-03 08:54:09 -04:00
lib lib: disable vrf before terminating interfaces 2022-11-22 17:42:29 -05:00
m4 m4/ax_python.m4: check for python-x.y-emded.pc, not python-x.y.pc 2022-11-09 20:31:54 +01:00
mlag build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
nhrpd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
ospf6d Merge pull request #12280 from opensourcerouting/fix/ospv6_show_passive_interface 2022-11-08 23:25:39 -06:00
ospfclient ospfd/ospfclient: add option to flush/withdrawal with zero length 2022-10-21 15:27:58 +00:00
ospfd Merge pull request #12269 from pguibert6WIND/ospf_external_lsa_crash 2022-11-10 13:20:50 -06:00
pathd pathd: display SRTE policy status when removing policy 2022-11-14 17:42:55 +01:00
pbrd *: Add ability for daemons to notice resilience changes 2022-11-04 13:34:27 -04:00
pceplib pceplib: Fix clang-16 not happy with build 2022-10-25 20:04:43 -04:00
pimd Merge pull request #12291 from anlancs/pimd/mtrace-fd 2022-11-15 11:46:27 -05:00
pkgsrc *: cleanup .gitignore files 2018-09-08 21:30:42 +02:00
python python: hide inet_ntoa from frrbot 2022-10-28 11:18:06 +01:00
qpb qpb: Tell coverity the actual size we are copying 2022-08-02 15:34:43 -04:00
redhat redhat: Enable pim6d build by default 2022-11-21 20:04:24 +01:00
ripd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
ripngd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
sharpd sharpd: traffic control PoC 2022-11-22 22:35:35 +08:00
snapcraft snapcraft: Add pim6 daemon for PIM IPv6 to snap package 2022-11-19 12:52:36 +01:00
staticd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
tests Merge pull request #11908 from sigeryang/tc-state-mgmt 2022-11-22 12:02:15 -05:00
tools Merge pull request #11058 from opensourcerouting/fix/redhat_debian_logrotate 2022-11-15 22:15:45 -06:00
vrrpd build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
vtysh lib, vtysh: Allow watchfrr to receive start/end lines 2022-11-21 12:04:12 -05:00
watchfrr build, vtysh: extract vtysh commands from .xref 2022-10-26 17:12:34 +01:00
yang bgpd: Implement Accumulated IGP Metric Attribute for BGP 2022-10-26 11:26:57 +03:00
zebra zebra: traffic control ZAPI 2022-11-22 22:35:35 +08:00
.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 lib: Add PCRE2 support 2022-11-07 21:23:53 +02:00
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 packaging: Reuse frr.logrotate for Debian and Redhat builds 2022-11-08 11:17:56 +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