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43c144f9ba
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Louis Scalbert 43c144f9ba zebra: fix dplane_ctx_iptable use-after-free 
Fix a crash because a use-after-free.

> =================================================================
> ==1249835==ERROR: AddressSanitizer: heap-use-after-free on address 0x604000074210 at pc 0x7fa1b42a652c bp 0x7ffc477a2aa0 sp 0x7ffc477a2a98
> READ of size 8 at 0x604000074210 thread T0
>     #0 0x7fa1b42a652b in list_delete_all_node git/frr/lib/linklist.c:299:20
>     #1 0x7fa1b42a683f in list_delete git/frr/lib/linklist.c:312:2
>     #2 0x5ee515 in dplane_ctx_free_internal git/frr/zebra/zebra_dplane.c:858:4
>     #3 0x5ee59c in dplane_ctx_free git/frr/zebra/zebra_dplane.c:884:2
>     #4 0x5ee544 in dplane_ctx_fini git/frr/zebra/zebra_dplane.c:905:2
>     #5 0x7045c0 in rib_process_dplane_results git/frr/zebra/zebra_rib.c:4928:4
>     #6 0x7fa1b4434fb2 in event_call git/frr/lib/event.c:1970:2
>     #7 0x7fa1b42a0ccf in frr_run git/frr/lib/libfrr.c:1213:3
>     #8 0x556808 in main git/frr/zebra/main.c:488:2
>     #9 0x7fa1b3d0bd09 in __libc_start_main csu/../csu/libc-start.c:308:16
>     #10 0x4453e9 in _start (/usr/lib/frr/zebra+0x4453e9)
>
> 0x604000074210 is located 0 bytes inside of 40-byte region [0x604000074210,0x604000074238)
> freed by thread T0 here:
>     #0 0x4bf1dd in free (/usr/lib/frr/zebra+0x4bf1dd)
>     #1 0x7fa1b42df0c0 in qfree git/frr/lib/memory.c:130:2
>     #2 0x7fa1b42a68ce in list_free_internal git/frr/lib/linklist.c:24:2
>     #3 0x7fa1b42a6870 in list_delete git/frr/lib/linklist.c:313:2
>     #4 0x5ee515 in dplane_ctx_free_internal git/frr/zebra/zebra_dplane.c:858:4
>     #5 0x5ee59c in dplane_ctx_free git/frr/zebra/zebra_dplane.c:884:2
>     #6 0x5ee544 in dplane_ctx_fini git/frr/zebra/zebra_dplane.c:905:2
>     #7 0x7045c0 in rib_process_dplane_results git/frr/zebra/zebra_rib.c:4928:4
>     #8 0x7fa1b4434fb2 in event_call git/frr/lib/event.c:1970:2
>     #9 0x7fa1b42a0ccf in frr_run git/frr/lib/libfrr.c:1213:3
>     #10 0x556808 in main git/frr/zebra/main.c:488:2
>     #11 0x7fa1b3d0bd09 in __libc_start_main csu/../csu/libc-start.c:308:16
>
> previously allocated by thread T0 here:
>     #0 0x4bf5d2 in calloc (/usr/lib/frr/zebra+0x4bf5d2)
>     #1 0x7fa1b42dee18 in qcalloc git/frr/lib/memory.c:105:27
>     #2 0x7fa1b42a3784 in list_new git/frr/lib/linklist.c:18:9
>     #3 0x6d165f in pbr_iptable_alloc_intern git/frr/zebra/zebra_pbr.c:1015:29
>     #4 0x7fa1b426ad1f in hash_get git/frr/lib/hash.c:147:13
>     #5 0x6d15f2 in zebra_pbr_add_iptable git/frr/zebra/zebra_pbr.c:1030:13
>     #6 0x5db2a3 in zread_iptable git/frr/zebra/zapi_msg.c:3759:3
>     #7 0x5e365d in zserv_handle_commands git/frr/zebra/zapi_msg.c:4039:3
>     #8 0x7e09fc in zserv_process_messages git/frr/zebra/zserv.c:520:3
>     #9 0x7fa1b4434fb2 in event_call git/frr/lib/event.c:1970:2
>     #10 0x7fa1b42a0ccf in frr_run git/frr/lib/libfrr.c:1213:3
>     #11 0x556808 in main git/frr/zebra/main.c:488:2
>     #12 0x7fa1b3d0bd09 in __libc_start_main csu/../csu/libc-start.c:308:16

Fixes: 1cc380679e ("zebra: Actually free all memory associated ctx->u.iptable.interface_name_list")
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
(cherry picked from commit 45140bb9e1)
2023-11-24 16:00:06 +00:00
.github github: Add rebase label on PR if it's > 50 commits behind 2023-05-09 09:37:23 +03:00
alpine docker: Use openssl instead of libressl 2023-07-31 11:04:30 +03:00
babeld Merge pull request #13333 from donaldsharp/vrf_bitmap_cleanup 2023-07-04 22:11:11 +03:00
bfdd *: remove ZEBRA_INTERFACE_VRF_UPDATE 2023-10-07 10:06:39 +08:00
bgpd bgpd: Flush attrs only if we don't have to announce a conditional route 2023-11-21 15:50:13 +00:00
debian debian: Drop 9.2-dev release from stable branch changelog 2023-11-15 22:17:04 +02:00
doc bgp: fix bgp4v2 MIB NLRI INDEX format and order 2023-11-09 09:21:42 +00:00
docker docker: Install the apk packages regardless of the platform 2023-07-31 11:05:15 +03:00
eigrpd eigrp: use correct memory pool on interface deletion 2023-10-11 14:19:23 +00:00
fpm *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
gdb *: Rename thread.[ch] to event.[ch] 2023-03-24 08:32:16 -04:00
grpc *: manual SPDX License ID conversions 2023-02-09 14:09:07 +01:00
include bgpd,lib,sharpd,zebra: srv6 introduce multiple segs/SIDs in nexthop 2023-09-20 15:07:15 +02:00
isisd isisd: Fix style warnings reported by CI 2023-11-05 21:40:07 +00:00
ldpd ldpd: Stop and free synchronous Zebra client on destroy 2023-06-27 11:47:50 +03:00
lib lib: Prevent infinite loop in ospf 2023-11-15 07:40:43 +00:00
m4 build: fix sed regex in Lua macro 2022-12-08 12:39:17 +01:00
mgmtd mgmtd: fix local validation 2023-11-08 13:50:36 +00:00
mlag build: fix AM_LDFLAGS usage (and gcov) 2021-07-21 17:10:08 +02:00
nhrpd nhrpd: clean up locals in route zapi api 2023-07-10 16:43:53 -04:00
ospf6d ospf6d: Let the user override interface cost for a loopback 2023-11-14 13:57:10 +00:00
ospfclient *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
ospfd ospfd: fix show_ip_ospf_gr_helper 2023-11-21 09:40:59 +00:00
pathd pathd: add no pcep command 2023-10-31 16:05:32 +00:00
pbrd pbrd: fix show pbr map detail json 2023-10-29 08:42:23 +00:00
pceplib *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
pimd pimd: Ensure upstream points at the correct rpf 2023-11-02 10:44:09 +00:00
pkgsrc mgmtd: Bringup MGMTD daemon and datastore module support 2023-03-21 22:08:32 -04:00
python [ospfd]: add support for RFC 5709 HMAC-SHA Auth 2023-09-16 07:38:23 +03:30
qpb mgmtd: Bringup MGMTD daemon and datastore module support 2023-03-21 22:08:32 -04:00
redhat redhat, debian: Update release notes for 9.1 release 2023-11-12 20:08:56 +02:00
ripd *: remove ZEBRA_INTERFACE_VRF_UPDATE 2023-10-07 10:06:39 +08:00
ripngd *: remove ZEBRA_INTERFACE_VRF_UPDATE 2023-10-07 10:06:39 +08:00
sharpd *: Do not cast to the same type as the destination is 2023-09-29 10:24:16 +03:00
snapcraft snapcraft: Use libyang 2.1.80 2023-07-20 21:46:38 +03:00
staticd staticd: fix debug commands 2023-11-17 12:27:26 +00:00
tests tests: Set community for conditionally advertised routes 2023-11-21 15:50:12 +00:00
tools tools: fix frr-reload route-map desc cmd 2023-11-02 11:39:40 +00:00
vrrpd Merge pull request #13731 from cyberstorm-mauritius/cid1519841 2023-06-21 23:15:41 +05:30
vtysh vtysh: clean vtysh_file_locked when exiting config node 2023-11-20 20:19:45 +00:00
watchfrr watchfrr: Extend ignore option to daemon being killed 2023-10-19 15:49:16 +00:00
yang Revert "yang: add bgp link-state" 2023-10-11 05:02:53 +00:00
zebra zebra: fix dplane_ctx_iptable use-after-free 2023-11-24 16:00:06 +00:00
.clang-format lib: add dynamic array type 2023-06-27 18:00:56 -04:00
.dockerignore docker: Make docker image on CentOS 7 2019-11-26 19:29:30 +00:00
.flake8 style: add format checker config that matches FRR style standards 2023-04-18 05:18:26 -04:00
.git-blame-ignore-revs tools: Ignore mass renaming of topotests for git blame 2021-05-11 14:14:26 +03:00
.gitignore doc: configure: add configure option to generate .ccls file 2023-05-18 09:32:32 -04:00
.isort.cfg style: add format checker config that matches FRR style standards 2023-04-18 05:18:26 -04:00
.pylintrc style: add format checker config that matches FRR style standards 2023-04-18 05:18:26 -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 *: manual SPDX License ID conversions 2023-02-09 14:09:07 +01:00
config.version.in build: carry --with-pkg-extra-version into tarballs 2018-10-24 15:11:50 +02:00
configure.ac FRR Release 9.1 2023-11-15 17:01:50 +02:00
COPYING *: sort out & explain licenses used in FRR 2023-02-09 12:46:13 +01:00
Makefile.am build: clean up mgmtd lib protobuf make syntax 2023-03-27 16:44:27 -04:00
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