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ef151af79b
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rgirada ef151af79b ospfd: crash when router acts as GR helper upon a topo change 
Description:
	ospf process is crashing when  the current router acts
	as GR helper and it received a new lsa.

	Here, ospf_lsa_different() is being called without checking
	'old' pointer. It is asserted in ospf_lsa_different() api
	if the 'old' pointer is NULL.

	corrected this by validaing old pointer before calling
	ospf_lsa_different() api.

	back tarce:
	Program terminated with signal SIGABRT, Aborted.
	0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
	[Current thread is 1 (Thread 0x6b84348827c0 (LWP 3155))]
	0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
	1  0x00006b8433aa4801 in __GI_abort () at abort.c:79
	2  0x00006b8433a9439a in __assert_fail_base (fmt=0x6b8433c1b7d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x162ffc0630bc "l1", file=file@entry=0x162ffc062ff7 "ospfd/ospf_lsa.c", line=line@entry=3520, function=function@entry=0x162ffc0646f0 <__PRETTY_FUNCTION__.18732> "ospf_lsa_different") at assert.c:92
	3  0x00006b8433a94412 in __GI___assert_fail (assertion=assertion@entry=0x162ffc0630bc "l1", file=file@entry=0x162ffc062ff7 "ospfd/ospf_lsa.c", line=line@entry=3520, function=function@entry=0x162ffc0646f0 <__PRETTY_FUNCTION__.18732> "ospf_lsa_different") at assert.c:101
	4  0x0000162ffc008c25 in ospf_lsa_different (l1=l1@entry=0x0, l2=l2@entry=0x162ffe535c60, ignore_rcvd_flag=ignore_rcvd_flag@entry=true) at ospfd/ospf_lsa.c:3520
	5  0x0000162ffc00a8e8 in ospf_lsa_install (ospf=ospf@entry=0x162ffe513650, oi=oi@entry=0x162ffe531c30, lsa=lsa@entry=0x162ffe535c60) at ospfd/ospf_lsa.c:2892
	6  0x0000162ffc059d16 in ospf_flood (ospf=0x162ffe513650, nbr=nbr@entry=0x162ffe52cc90, current=current@entry=0x0, new=new@entry=0x162ffe535c60) at ospfd/ospf_flood.c:429
	7  0x0000162ffc01838f in ospf_ls_upd (size=<optimized out>, oi=0x162ffe531c30, s=<optimized out>, ospfh=<optimized out>, iph=<optimized out>, ospf=<optimized out>) at ospfd/ospf_packet.c:2162
	8  ospf_read_helper (ospf=<optimized out>) at ospfd/ospf_packet.c:3241
	9  ospf_read (thread=<optimized out>) at ospfd/ospf_packet.c:3272
	10 0x00006b843450139c in thread_call (thread=thread@entry=0x7780f42c7480) at lib/thread.c:1692
	11 0x00006b84344cfb18 in frr_run (master=0x162ffe34d130) at lib/libfrr.c:1068

Signed-off-by: Rajesh Girada <rgirada@vmware.com>
2022-08-30 00:48:32 -07:00
.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: Remove return value for gettime() 2022-08-24 08:30:27 -04:00
bfdd Merge pull request #11668 from rampxxxx/bfd_rtt_in_echo_pkt 2022-08-09 15:20:24 +00:00
bgpd bgpd: Drop bnc_str() function 2022-08-25 14:35:28 +03:00
debian debian: add lua _binary_ to build dependencies 2022-08-19 15:56:57 +02:00
doc doc: Changed uppercase MLD to lowercase in ipv6 MLD last-member-query-interval (1-65535) 2022-08-28 23:35:03 -07:00
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 gdb: Add a macro to walk memory allocations 2022-08-24 07:13:29 -04:00
grpc build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
include include: add linux header pkt_cls.h 2022-08-10 23:45:29 +08:00
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: Fix extra semicolon after if 2022-08-25 17:52:21 +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 nhrp_interface_update_nbma when source vrf was changed 2022-08-22 15:54:18 +03:00
ospf6d ospf6d: Don't remove summary route if it is a range 2022-08-19 23:26:06 -07:00
ospfclient ospfclient: condition optimization 2022-07-27 14:59:53 +05:30
ospfd ospfd: crash when router acts as GR helper upon a topo change 2022-08-30 00:48:32 -07:00
pathd pathd: Ensure path is free'd after we no longer need it. 2022-08-15 15:45:05 -04:00
pbrd pbrd: VTY_GET_CONTEXT can fail 2022-08-15 15:45:05 -04:00
pceplib *: Properly use memset() when zeroing 2022-05-11 14:08:47 +03:00
pimd Merge pull request #11581 from AbhishekNR/mld_hardcode_value 2022-08-29 13:27:28 +03:00
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: Use a sequence number instead of time 2022-08-24 08:30:42 -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 Revert "tests: Check if BGP community-list filtering works correctly" 2022-08-24 08:46:47 +03:00
tools tools: stop zebra daemon last 2022-08-15 16:40:08 -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 watchfrr: Check that the operational timeout specified is good. 2022-08-15 15:45:05 -04:00
yang isisd: replace ipv4-unicast with standard in config and oper contexts 2022-06-02 21:20:45 +02:00
zebra zebra: Convert time to uint64_t for zclient data structures 2022-08-24 08:29:50 -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