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After we call subgroup_announce_check(), we leave communities, large-communities that are modified by route-maps uninterned, and here we have a memory leak. ``` ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323:Direct leak of 80 byte(s) in 2 object(s) allocated from: ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #0 0x7f0858d90037 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #1 0x7f08589b15b2 in qcalloc lib/memory.c:105 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #2 0x561f5c4e08d2 in lcommunity_new bgpd/bgp_lcommunity.c:28 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #3 0x561f5c4e11d9 in lcommunity_dup bgpd/bgp_lcommunity.c:141 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #4 0x561f5c5c3b8b in route_set_lcommunity bgpd/bgp_routemap.c:2491 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #5 0x7f0858a177a5 in route_map_apply_ext lib/routemap.c:2675 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #6 0x561f5c5696f9 in subgroup_announce_check bgpd/bgp_route.c:2352 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #7 0x561f5c5fb728 in subgroup_announce_table bgpd/bgp_updgrp_adv.c:682 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #8 0x561f5c5fbd95 in subgroup_announce_route bgpd/bgp_updgrp_adv.c:765 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #9 0x561f5c5f6105 in peer_af_announce_route bgpd/bgp_updgrp.c:2187 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #10 0x561f5c5790be in bgp_announce_route_timer_expired bgpd/bgp_route.c:5032 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #11 0x7f0858a76e4e in thread_call lib/thread.c:1991 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #12 0x7f0858974c24 in frr_run lib/libfrr.c:1185 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #13 0x561f5c3e955d in main bgpd/bgp_main.c:505 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #14 0x7f08583a9d09 in __libc_start_main ../csu/libc-start.c:308 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323:Indirect leak of 144 byte(s) in 2 object(s) allocated from: ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #0 0x7f0858d8fe8f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #1 0x7f08589b1579 in qmalloc lib/memory.c:100 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #2 0x561f5c4e1282 in lcommunity_dup bgpd/bgp_lcommunity.c:144 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #3 0x561f5c5c3b8b in route_set_lcommunity bgpd/bgp_routemap.c:2491 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #4 0x7f0858a177a5 in route_map_apply_ext lib/routemap.c:2675 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #5 0x561f5c5696f9 in subgroup_announce_check bgpd/bgp_route.c:2352 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #6 0x561f5c5fb728 in subgroup_announce_table bgpd/bgp_updgrp_adv.c:682 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #7 0x561f5c5fbd95 in subgroup_announce_route bgpd/bgp_updgrp_adv.c:765 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #8 0x561f5c5f6105 in peer_af_announce_route bgpd/bgp_updgrp.c:2187 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #9 0x561f5c5790be in bgp_announce_route_timer_expired bgpd/bgp_route.c:5032 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #10 0x7f0858a76e4e in thread_call lib/thread.c:1991 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #11 0x7f0858974c24 in frr_run lib/libfrr.c:1185 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #12 0x561f5c3e955d in main bgpd/bgp_main.c:505 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- #13 0x7f08583a9d09 in __libc_start_main ../csu/libc-start.c:308 ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323- ./bgp_large_community.test_bgp_large_community_topo_2/r1.bgpd.asan.2465323-SUMMARY: AddressSanitizer: 224 byte(s) leaked in 4 allocation(s). ``` Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org> |
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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