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Allow the specification of a VRF_ALL to be used for CLI. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
The show_adj_route_vpn function is only currently used in conjunction with the KEEP_OLD_VPN_COMMANDS #define. Add this function to that define for the moment. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
The bgp_parse_safi function is never called remove it. Especially as that later commits will properly handle what this function was trying to do. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
The parser was incorrect for the 'set ... vpn nexthop ...' commands. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Create bgp_vty_find_and_parse_afi_safi_vrf that will parse the `show [ip] bgp [<view|vrf> WORD] [<ipv4|ipv6> [<unicast|multicast|vpn|encap>]]' part of a command and to return the correct spot we are in the command. Cleanup 'dampening parameters' part of this command. Consolidate the creation of the bgp data structure to be a bit cleaner. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Cleanup the bgp bestpath or multipath show commands. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Fix this command to use the correct format for a show command. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
1) Make [<view|vrf> WORD] consistent 2) Fix inconsistent help string 3) Fix the show .. vrf all command Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
mwinter-osr
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…rminated (BUFFER_SIZE_WARNING) Coverity: buffer_size_warning: Calling strncpy with a maximum size argument of 100 bytes on destination array pid_file of size 100 bytes might leave the destination string unterminated. Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
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Feb 7, 2017
… too small (BUFFER_SIZE) Coverity: buffer_size: You might overrun the 108 byte destination string addr.sun_path by writing the maximum 4095 bytes from path. Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
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Feb 7, 2017
…TCH) Needs to be size of correct structure (prefix instead of prefix_ipv4) Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
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Feb 7, 2017
…ERFLOW) Coverity: string_overflow: You might overrun the 100-character destination string vty_path by writing 4096 characters from vty_sock_path. Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
mwinter-osr
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Feb 10, 2017
…rminated (BUFFER_SIZE_WARNING) Coverity: buffer_size_warning: Calling strncpy with a maximum size argument of 100 bytes on destination array pid_file of size 100 bytes might leave the destination string unterminated. Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
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Feb 10, 2017
… too small (BUFFER_SIZE) Coverity: buffer_size: You might overrun the 108 byte destination string addr.sun_path by writing the maximum 4095 bytes from path. Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
mwinter-osr
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Feb 10, 2017
…TCH) Needs to be size of correct structure (prefix instead of prefix_ipv4) Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
mwinter-osr
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Feb 10, 2017
…ERFLOW) Coverity: string_overflow: You might overrun the 100-character destination string vty_path by writing 4096 characters from vty_sock_path. Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>
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Sep 28, 2017
Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com> Before ====== cel-redxp-10# show ip bgp 20.1.3.0/24 BGP routing table entry for 20.1.3.0/24 Paths: (1 available, best #1, table Default-IP-Routing-Table) Advertised to non peer-group peers: top1(10.1.1.2) bottom0(20.1.2.2) 4294967292 20.1.2.2 from bottom0(20.1.2.2) (20.1.1.1) Origin IGP, metric 0, localpref 100, valid, external, bestpath-from-AS -4, best Community: 99:1 AddPath ID: RX 0, TX 92 Last update: Wed Sep 27 16:02:34 2017 cel-redxp-10# After ===== cel-redxp-10# show ip bgp 20.1.3.0/24 BGP routing table entry for 20.1.3.0/24 Paths: (1 available, best #1, table Default-IP-Routing-Table) Advertised to non peer-group peers: bottom0(20.1.2.2) 4294967292 20.1.2.2 from bottom0(20.1.2.2) (20.1.1.1) Origin IGP, metric 0, localpref 100, valid, external, bestpath-from-AS 4294967292, best Community: 99:1 AddPath ID: RX 0, TX 2 Last update: Wed Sep 27 16:07:09 2017 cel-redxp-10#
mwinter-osr
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Jul 27, 2018
bgpd: changes for crash seen in BGP on "no rt vpn" bug Id 2667
mwinter-osr
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Aug 3, 2018
Avoid displaying default configured local preference as part of bgp route's detail output. Local preference is for iBGP learnt route's. The value could be default (100) or configured value (via routemap or local pref config cmd). show bgp afi safi (brief output) does not display, if the local pref attribute is not set. Similarly, show bgp afi safi detail route output should display if the the attribute is set, and should not display configured value. This way both output would be consistent. The configured local preference can be seen via running-config. Ticket:CM-12769 Reviewed By: Testing Done: eBGP output: show bgp ipv4 45.0.3.0/24 BGP routing table entry for 45.0.3.0/24 Paths: (1 available, best #1, table default) Advertised to non peer-group peers: MSP1(uplink-1) MSP2(uplink-2) Local 0.0.0.0 from 0.0.0.0 (27.0.0.9) Origin incomplete, metric 0, weight 32768, valid,sourced, bestpath-from-AS Local, best AddPath ID: RX 0, TX 7 Last update: Thu Jul 26 02:10:02 2018 iBGP output: show bgp ipv4 unicast 6.0.0.16/32 BGP routing table entry for 6.0.0.16/32 Paths: (1 available, best #1, table default) Not advertised to any peer Local 6.0.0.16 (metric 20) from tor-12(6.0.0.16) (6.0.0.16) Origin incomplete, metric 0, localpref 100, valid, internal, bestpath-from-AS Local, best AddPath ID: RX 0, TX 13 Last update: Thu Jul 26 05:26:18 2018 Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
mwinter-osr
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Sep 10, 2018
updateing to latest FRRrouting
eqvinox
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Nov 13, 2018
This commit introduces lib/id_alloc, which has facilities for both an ID number allocator, and less efficient ID holding pools. The pools are meant to be a temporary holding area for ID numbers meant to be re-used, and are implemented as a linked-list stack. The allocator itself is much more efficient with memory. Based on sizeof values on my 64 bit desktop, the allocator requires around 155 KiB per million IDs tracked. IDs are ultimately tracked in a bit-map split into many "pages." The allocator tracks a list of pages that have free bits, and which sections of each page have free IDs, so there isn't any scanning required to find a free ID. (The library utility ffs, or "Find First Set," is generally a single CPU instruction.) At the moment, totally empty pages will not be freed, so the memory utilization of this allocator will remain at the high water mark. The initial intended use case is for BGP's TX Addpath IDs to be pulled from an allocator that tracks which IDs are in use, rather than a free running counter. The allocator reserves ID #0 as a sentinel value for an invalid ID numbers, and BGP will want ID #1 reserved as well. To support this, the allocator allows for IDs to be explicitly reserved, though be aware this is only practical to use with low numbered IDs because the allocator must allocate pages in order. Signed-off-by Mitchell Skiba <mskiba@amazon.com>
cfra
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Nov 29, 2018
Update Readme to have correct ordering for frr user
rwestphal
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Dec 31, 2018
Fixes the following warning when running ripngd with valgrind: ==38== Syscall param sendmsg(msg.msg_control) points to uninitialised byte(s) ==38== at 0x5EA1E47: sendmsg (sendmsg.c:28) ==38== by 0x118C48: ripng_send_packet (ripngd.c:226) ==38== by 0x11D1D6: ripng_request (ripngd.c:1924) ==38== by 0x120BD8: ripng_interface_wakeup (ripng_interface.c:666) ==38== by 0x4ECB4B4: thread_call (thread.c:1601) ==38== by 0x4E8D9CE: frr_run (libfrr.c:1011) ==38== by 0x1121C8: main (ripng_main.c:180) ==38== Address 0xffefffc34 is on thread 1's stack ==38== in frame #1, created by ripng_send_packet (ripngd.c:172) Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
NetDEF-CI
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Aug 22, 2024
When 'no rpki' is requested and the rtrlib RPKI object was freed, bgpd is crashing. RPKI is configured in VRF red. > ip l set red down > ip l del red > printf 'conf\n vrf red\n no rpki' | vtysh > Core was generated by `/usr/bin/bgpd -A 127.0.0.1 -M snmp -M rpki -M bmp'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:44 > 44 ./nptl/pthread_kill.c: No such file or directory. > [Current thread is 1 (Thread 0x7fb401f419c0 (LWP 190226))] > (gdb) bt > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=140411103615424, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x00007fb4021ad476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x00007fb4025ce22b in core_handler (signo=11, siginfo=0x7fff831b2d70, context=0x7fff831b2c40) at lib/sigevent.c:248 > #5 <signal handler called> > #6 rtr_mgr_remove_group (config=0x55fe8789f750, preference=11) at /build/make-pkg/output/source/DIST_RTRLIB/rtrlib/rtrlib/rtr_mgr.c:607 > #7 0x00007fb40145f518 in rpki_delete_all_cache_nodes (rpki_vrf=0x55fe8789f4f0) at bgpd/bgp_rpki.c:442 > #8 0x00007fb401463098 in no_rpki_magic (self=0x7fb40146bba0 <no_rpki_cmd>, vty=0x55fe877f5130, argc=2, argv=0x55fe877fccd0) at bgpd/bgp_rpki.c:1732 > #9 0x00007fb40145c09a in no_rpki (self=0x7fb40146bba0 <no_rpki_cmd>, vty=0x55fe877f5130, argc=2, argv=0x55fe877fccd0) at ./bgpd/bgp_rpki_clippy.c:37 > #10 0x00007fb402527abc in cmd_execute_command_real (vline=0x55fe877fd150, vty=0x55fe877f5130, cmd=0x0, up_level=0) at lib/command.c:984 > #11 0x00007fb402527c35 in cmd_execute_command (vline=0x55fe877fd150, vty=0x55fe877f5130, cmd=0x0, vtysh=0) at lib/command.c:1043 > #12 0x00007fb4025281e5 in cmd_execute (vty=0x55fe877f5130, cmd=0x55fe877fb8c0 "no rpki\n", matched=0x0, vtysh=0) at lib/command.c:1209 > #13 0x00007fb4025f0aed in vty_command (vty=0x55fe877f5130, buf=0x55fe877fb8c0 "no rpki\n") at lib/vty.c:615 > #14 0x00007fb4025f2a11 in vty_execute (vty=0x55fe877f5130) at lib/vty.c:1378 > #15 0x00007fb4025f513d in vtysh_read (thread=0x7fff831b5fa0) at lib/vty.c:2373 > #16 0x00007fb4025e9611 in event_call (thread=0x7fff831b5fa0) at lib/event.c:2011 > #17 0x00007fb402566976 in frr_run (master=0x55fe871a14a0) at lib/libfrr.c:1212 > #18 0x000055fe857829fa in main (argc=9, argv=0x7fff831b6218) at bgpd/bgp_main.c:549 Fixes: 8156765 ("bgpd: Add `no rpki` command") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit 4e053d6) There is also an issue when doing "rpki reset" and then "no rpki". Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit c4e4e6c)
NetDEF-CI
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Aug 24, 2024
Some json attributes are missing for L3NHG values. > PE1# show bgp vrf all detail > [..] > Instance vrf-purple: > BGP table version is 1, local router ID is 27.3.0.85, vrf id 7 > Default local pref 100, local AS 65000 > BGP routing table entry for fe80::4620:ff:feff:ff01/128, version 1 > Paths: (1 available, best #1, vrf vrf-purple) > Not advertised to any peer > Imported from 10.30.30.30:5:[2]:[0]:[48]:[44:20:00:ff:ff:01]:[128]:[fe80::4620:ff:feff:ff01], VNI 4000 Local > ::ffff:a1e:1e1e (metric 20) from 10.30.30.30 (10.30.30.30) announce-nh-self > Origin IGP, localpref 100, valid, internal, best (First path received) > Extended Community: RT:65000:4000 ET:8 > Last update: Thu Aug 22 18:23:38 2024 > > Displayed 1 routes and 1 total paths > PE1# show bgp vrf all json detail > { > "vrf-purple":{ > "vrfId": 7, > "vrfName": "vrf-purple", > "tableVersion": 1, > "routerId": "27.3.0.85", > "defaultLocPrf": 100, > "localAS": 65000, > "routes": { "fe80::4620:ff:feff:ff01/128": [{"importedFrom":"10.30.30.30:5","l3nhg":false,"l3nhgActive":false, "vni": "4000", > "aspath":{"string":"Local","segments":[],"length":0},"announceNexthopSelf":true,"origin":"IGP","locPrf":100, > "valid":true,"version":1,"bestpath":{"overall":true,"selectionReason":"First path received"}, > "extendedCommunity":{"string":"RT:65000:4000 ET:8"},"lastUpdate":{"epoch":1724343817, > "string":"Thu Aug 22 18:23:37 2024\n"}, > "nexthops":[{"ip":"::ffff:a1e:1e1e","hostname":"PE2","afi":"ipv6", > "scope":"global","metric":20,"accessible":true,"used":true}], > "peer":{"peerId":"10.30.30.30","routerId":"10.30.30.30","hostname":"PE2","type":"internal"}}] > } } > } Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
NetDEF-CI
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Aug 27, 2024
Fix crash when flex-algo is configured and mpls-te is disabled. > interface eth0 > ip router isis 1 > ! > router isis 1 > flex-algo 129 > dataplane sr-mpls > advertise-definition > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140486233631168) at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=140486233631168) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=140486233631168, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x00007fc5802e9476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x00007fc58076021f in core_handler (signo=11, siginfo=0x7ffd38d42470, context=0x7ffd38d42340) at lib/sigevent.c:248 > #5 <signal handler called> > #6 0x000055c527f798c9 in isis_link_params_update_asla (circuit=0x55c52aaed3c0, ifp=0x55c52a1044e0) at isisd/isis_te.c:176 > #7 0x000055c527fb29da in isis_instance_flex_algo_create (args=0x7ffd38d43120) at isisd/isis_nb_config.c:2875 > #8 0x00007fc58072655b in nb_callback_create (context=0x55c52ab1d2f0, nb_node=0x55c529f72950, event=NB_EV_APPLY, dnode=0x55c52ab06230, resource=0x55c52ab189f8, errmsg=0x7ffd38d43750 "", > errmsg_len=8192) at lib/northbound.c:1262 > #9 0x00007fc580727625 in nb_callback_configuration (context=0x55c52ab1d2f0, event=NB_EV_APPLY, change=0x55c52ab189c0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) at lib/northbound.c:1662 > #10 0x00007fc580727c39 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x55c52ab1d2f0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) at lib/northbound.c:1794 > #11 0x00007fc580725f77 in nb_candidate_commit_apply (transaction=0x55c52ab1d2f0, save_transaction=true, transaction_id=0x0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) > at lib/northbound.c:1131 > #12 0x00007fc5807260d1 in nb_candidate_commit (context=..., candidate=0x55c529f0a730, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) > at lib/northbound.c:1164 > #13 0x00007fc58072d220 in nb_cli_classic_commit (vty=0x55c52a0fc6b0) at lib/northbound_cli.c:51 > #14 0x00007fc58072d839 in nb_cli_apply_changes_internal (vty=0x55c52a0fc6b0, > xpath_base=0x7ffd38d477f0 "/frr-isisd:isis/instance[area-tag='1'][vrf='default']/flex-algos/flex-algo[flex-algo='129']", clear_pending=false) at lib/northbound_cli.c:178 > #15 0x00007fc58072dbcf in nb_cli_apply_changes (vty=0x55c52a0fc6b0, xpath_base_fmt=0x55c528014de0 "./flex-algos/flex-algo[flex-algo='%ld']") at lib/northbound_cli.c:234 > #16 0x000055c527fd3403 in flex_algo_magic (self=0x55c52804f1a0 <flex_algo_cmd>, vty=0x55c52a0fc6b0, argc=2, argv=0x55c52ab00ec0, algorithm=129, algorithm_str=0x55c52ab120d0 "129") > at isisd/isis_cli.c:3752 > #17 0x000055c527fc97cb in flex_algo (self=0x55c52804f1a0 <flex_algo_cmd>, vty=0x55c52a0fc6b0, argc=2, argv=0x55c52ab00ec0) at ./isisd/isis_cli_clippy.c:6445 > #18 0x00007fc5806b9abc in cmd_execute_command_real (vline=0x55c52aaf78f0, vty=0x55c52a0fc6b0, cmd=0x0, up_level=0) at lib/command.c:984 > #19 0x00007fc5806b9c35 in cmd_execute_command (vline=0x55c52aaf78f0, vty=0x55c52a0fc6b0, cmd=0x0, vtysh=0) at lib/command.c:1043 > #20 0x00007fc5806ba1e5 in cmd_execute (vty=0x55c52a0fc6b0, cmd=0x55c52aae6bd0 "flex-algo 129\n", matched=0x0, vtysh=0) at lib/command.c:1209 > #21 0x00007fc580782ae1 in vty_command (vty=0x55c52a0fc6b0, buf=0x55c52aae6bd0 "flex-algo 129\n") at lib/vty.c:615 > #22 0x00007fc580784a05 in vty_execute (vty=0x55c52a0fc6b0) at lib/vty.c:1378 > #23 0x00007fc580787131 in vtysh_read (thread=0x7ffd38d4ab10) at lib/vty.c:2373 > #24 0x00007fc58077b605 in event_call (thread=0x7ffd38d4ab10) at lib/event.c:2011 > #25 0x00007fc5806f8976 in frr_run (master=0x55c529df9b30) at lib/libfrr.c:1212 > #26 0x000055c527f301bc in main (argc=5, argv=0x7ffd38d4ad58, envp=0x7ffd38d4ad88) at isisd/isis_main.c:350 > (gdb) f 6 > #6 0x000055c527f798c9 in isis_link_params_update_asla (circuit=0x55c52aaed3c0, ifp=0x55c52a1044e0) at isisd/isis_te.c:176 > 176 list_delete_all_node(ext->aslas); > (gdb) p ext > $1 = (struct isis_ext_subtlvs *) 0x0 Fixes: ae27101 ("isisd: fix building asla at first flex-algo config") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
ton31337
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Aug 27, 2024
When 'no rpki' is requested and the rtrlib RPKI object was freed, bgpd is crashing. RPKI is configured in VRF red. > ip l set red down > ip l del red > printf 'conf\n vrf red\n no rpki' | vtysh > Core was generated by `/usr/bin/bgpd -A 127.0.0.1 -M snmp -M rpki -M bmp'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:44 > 44 ./nptl/pthread_kill.c: No such file or directory. > [Current thread is 1 (Thread 0x7fb401f419c0 (LWP 190226))] > (gdb) bt > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=140411103615424, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x00007fb4021ad476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x00007fb4025ce22b in core_handler (signo=11, siginfo=0x7fff831b2d70, context=0x7fff831b2c40) at lib/sigevent.c:248 > #5 <signal handler called> > #6 rtr_mgr_remove_group (config=0x55fe8789f750, preference=11) at /build/make-pkg/output/source/DIST_RTRLIB/rtrlib/rtrlib/rtr_mgr.c:607 > #7 0x00007fb40145f518 in rpki_delete_all_cache_nodes (rpki_vrf=0x55fe8789f4f0) at bgpd/bgp_rpki.c:442 > #8 0x00007fb401463098 in no_rpki_magic (self=0x7fb40146bba0 <no_rpki_cmd>, vty=0x55fe877f5130, argc=2, argv=0x55fe877fccd0) at bgpd/bgp_rpki.c:1732 > #9 0x00007fb40145c09a in no_rpki (self=0x7fb40146bba0 <no_rpki_cmd>, vty=0x55fe877f5130, argc=2, argv=0x55fe877fccd0) at ./bgpd/bgp_rpki_clippy.c:37 > #10 0x00007fb402527abc in cmd_execute_command_real (vline=0x55fe877fd150, vty=0x55fe877f5130, cmd=0x0, up_level=0) at lib/command.c:984 > #11 0x00007fb402527c35 in cmd_execute_command (vline=0x55fe877fd150, vty=0x55fe877f5130, cmd=0x0, vtysh=0) at lib/command.c:1043 > #12 0x00007fb4025281e5 in cmd_execute (vty=0x55fe877f5130, cmd=0x55fe877fb8c0 "no rpki\n", matched=0x0, vtysh=0) at lib/command.c:1209 > #13 0x00007fb4025f0aed in vty_command (vty=0x55fe877f5130, buf=0x55fe877fb8c0 "no rpki\n") at lib/vty.c:615 > #14 0x00007fb4025f2a11 in vty_execute (vty=0x55fe877f5130) at lib/vty.c:1378 > #15 0x00007fb4025f513d in vtysh_read (thread=0x7fff831b5fa0) at lib/vty.c:2373 > #16 0x00007fb4025e9611 in event_call (thread=0x7fff831b5fa0) at lib/event.c:2011 > #17 0x00007fb402566976 in frr_run (master=0x55fe871a14a0) at lib/libfrr.c:1212 > #18 0x000055fe857829fa in main (argc=9, argv=0x7fff831b6218) at bgpd/bgp_main.c:549 Fixes: 8156765 ("bgpd: Add `no rpki` command") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit 4e053d6)
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Aug 28, 2024
Fix crash when flex-algo is configured and mpls-te is disabled. > interface eth0 > ip router isis 1 > ! > router isis 1 > flex-algo 129 > dataplane sr-mpls > advertise-definition > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140486233631168) at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=140486233631168) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=140486233631168, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x00007fc5802e9476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x00007fc58076021f in core_handler (signo=11, siginfo=0x7ffd38d42470, context=0x7ffd38d42340) at lib/sigevent.c:248 > #5 <signal handler called> > #6 0x000055c527f798c9 in isis_link_params_update_asla (circuit=0x55c52aaed3c0, ifp=0x55c52a1044e0) at isisd/isis_te.c:176 > #7 0x000055c527fb29da in isis_instance_flex_algo_create (args=0x7ffd38d43120) at isisd/isis_nb_config.c:2875 > #8 0x00007fc58072655b in nb_callback_create (context=0x55c52ab1d2f0, nb_node=0x55c529f72950, event=NB_EV_APPLY, dnode=0x55c52ab06230, resource=0x55c52ab189f8, errmsg=0x7ffd38d43750 "", > errmsg_len=8192) at lib/northbound.c:1262 > #9 0x00007fc580727625 in nb_callback_configuration (context=0x55c52ab1d2f0, event=NB_EV_APPLY, change=0x55c52ab189c0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) at lib/northbound.c:1662 > #10 0x00007fc580727c39 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x55c52ab1d2f0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) at lib/northbound.c:1794 > #11 0x00007fc580725f77 in nb_candidate_commit_apply (transaction=0x55c52ab1d2f0, save_transaction=true, transaction_id=0x0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) > at lib/northbound.c:1131 > #12 0x00007fc5807260d1 in nb_candidate_commit (context=..., candidate=0x55c529f0a730, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) > at lib/northbound.c:1164 > #13 0x00007fc58072d220 in nb_cli_classic_commit (vty=0x55c52a0fc6b0) at lib/northbound_cli.c:51 > #14 0x00007fc58072d839 in nb_cli_apply_changes_internal (vty=0x55c52a0fc6b0, > xpath_base=0x7ffd38d477f0 "/frr-isisd:isis/instance[area-tag='1'][vrf='default']/flex-algos/flex-algo[flex-algo='129']", clear_pending=false) at lib/northbound_cli.c:178 > #15 0x00007fc58072dbcf in nb_cli_apply_changes (vty=0x55c52a0fc6b0, xpath_base_fmt=0x55c528014de0 "./flex-algos/flex-algo[flex-algo='%ld']") at lib/northbound_cli.c:234 > #16 0x000055c527fd3403 in flex_algo_magic (self=0x55c52804f1a0 <flex_algo_cmd>, vty=0x55c52a0fc6b0, argc=2, argv=0x55c52ab00ec0, algorithm=129, algorithm_str=0x55c52ab120d0 "129") > at isisd/isis_cli.c:3752 > #17 0x000055c527fc97cb in flex_algo (self=0x55c52804f1a0 <flex_algo_cmd>, vty=0x55c52a0fc6b0, argc=2, argv=0x55c52ab00ec0) at ./isisd/isis_cli_clippy.c:6445 > #18 0x00007fc5806b9abc in cmd_execute_command_real (vline=0x55c52aaf78f0, vty=0x55c52a0fc6b0, cmd=0x0, up_level=0) at lib/command.c:984 > #19 0x00007fc5806b9c35 in cmd_execute_command (vline=0x55c52aaf78f0, vty=0x55c52a0fc6b0, cmd=0x0, vtysh=0) at lib/command.c:1043 > #20 0x00007fc5806ba1e5 in cmd_execute (vty=0x55c52a0fc6b0, cmd=0x55c52aae6bd0 "flex-algo 129\n", matched=0x0, vtysh=0) at lib/command.c:1209 > #21 0x00007fc580782ae1 in vty_command (vty=0x55c52a0fc6b0, buf=0x55c52aae6bd0 "flex-algo 129\n") at lib/vty.c:615 > #22 0x00007fc580784a05 in vty_execute (vty=0x55c52a0fc6b0) at lib/vty.c:1378 > #23 0x00007fc580787131 in vtysh_read (thread=0x7ffd38d4ab10) at lib/vty.c:2373 > #24 0x00007fc58077b605 in event_call (thread=0x7ffd38d4ab10) at lib/event.c:2011 > #25 0x00007fc5806f8976 in frr_run (master=0x55c529df9b30) at lib/libfrr.c:1212 > #26 0x000055c527f301bc in main (argc=5, argv=0x7ffd38d4ad58, envp=0x7ffd38d4ad88) at isisd/isis_main.c:350 > (gdb) f 6 > #6 0x000055c527f798c9 in isis_link_params_update_asla (circuit=0x55c52aaed3c0, ifp=0x55c52a1044e0) at isisd/isis_te.c:176 > 176 list_delete_all_node(ext->aslas); > (gdb) p ext > $1 = (struct isis_ext_subtlvs *) 0x0 Fixes: ae27101 ("isisd: fix building asla at first flex-algo config") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit cd81d28)
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The following causes a isisd crash. > # cat config > affinity-map green bit-position 0 > router isis 1 > flex-algo 129 > affinity exclude-any green > # vtysh -f config > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007f650cd32756 in core_handler (signo=6, siginfo=0x7ffc56f93070, context=0x7ffc56f92f40) at lib/sigevent.c:258 > #2 <signal handler called> > #3 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 > #4 0x00007f650c91c537 in __GI_abort () at abort.c:79 > #5 0x00007f650cd007c9 in nb_running_get_entry_worker (dnode=0x0, xpath=0x0, abort_if_not_found=true, rec_search=true) at lib/northbound.c:2531 > #6 0x00007f650cd007f9 in nb_running_get_entry (dnode=0x55d9ad406e00, xpath=0x0, abort_if_not_found=true) at lib/northbound.c:2537 > #7 0x000055d9ab302248 in isis_instance_flex_algo_affinity_set (args=0x7ffc56f947a0, type=2) at isisd/isis_nb_config.c:2998 > #8 0x000055d9ab3027c0 in isis_instance_flex_algo_affinity_exclude_any_create (args=0x7ffc56f947a0) at isisd/isis_nb_config.c:3155 > #9 0x00007f650ccfe284 in nb_callback_create (context=0x7ffc56f94d20, nb_node=0x55d9ad28b540, event=NB_EV_VALIDATE, dnode=0x55d9ad406e00, resource=0x0, errmsg=0x7ffc56f94de0 "", > errmsg_len=8192) at lib/northbound.c:1487 > #10 0x00007f650ccff067 in nb_callback_configuration (context=0x7ffc56f94d20, event=NB_EV_VALIDATE, change=0x55d9ad406d40, errmsg=0x7ffc56f94de0 "", errmsg_len=8192) at lib/northbound.c:1884 > #11 0x00007f650ccfda31 in nb_candidate_validate_code (context=0x7ffc56f94d20, candidate=0x55d9ad20d710, changes=0x7ffc56f94d38, errmsg=0x7ffc56f94de0 "", errmsg_len=8192) > at lib/northbound.c:1246 > #12 0x00007f650ccfdc67 in nb_candidate_commit_prepare (context=..., candidate=0x55d9ad20d710, comment=0x0, transaction=0x7ffc56f94da0, skip_validate=false, ignore_zero_change=false, > errmsg=0x7ffc56f94de0 "", errmsg_len=8192) at lib/northbound.c:1317 > #13 0x00007f650ccfdec4 in nb_candidate_commit (context=..., candidate=0x55d9ad20d710, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffc56f94de0 "", errmsg_len=8192) > at lib/northbound.c:1381 > #14 0x00007f650cd045ba in nb_cli_classic_commit (vty=0x55d9ad3f7490) at lib/northbound_cli.c:57 > #15 0x00007f650cd04749 in nb_cli_pending_commit_check (vty=0x55d9ad3f7490) at lib/northbound_cli.c:96 > #16 0x00007f650cc94340 in cmd_execute_command_real (vline=0x55d9ad3eea10, vty=0x55d9ad3f7490, cmd=0x0, up_level=0) at lib/command.c:1000 > #17 0x00007f650cc94599 in cmd_execute_command (vline=0x55d9ad3eea10, vty=0x55d9ad3f7490, cmd=0x0, vtysh=0) at lib/command.c:1080 > #18 0x00007f650cc94a0c in cmd_execute (vty=0x55d9ad3f7490, cmd=0x55d9ad401d30 "XFRR_end_configuration", matched=0x0, vtysh=0) at lib/command.c:1228 > #19 0x00007f650cd523a4 in vty_command (vty=0x55d9ad3f7490, buf=0x55d9ad401d30 "XFRR_end_configuration") at lib/vty.c:625 > #20 0x00007f650cd5413d in vty_execute (vty=0x55d9ad3f7490) at lib/vty.c:1388 > #21 0x00007f650cd56353 in vtysh_read (thread=0x7ffc56f99370) at lib/vty.c:2400 > #22 0x00007f650cd4b6fd in event_call (thread=0x7ffc56f99370) at lib/event.c:1996 > #23 0x00007f650ccd1365 in frr_run (master=0x55d9ad103cf0) at lib/libfrr.c:1231 > #24 0x000055d9ab29036e in main (argc=2, argv=0x7ffc56f99598, envp=0x7ffc56f995b0) at isisd/isis_main.c:354 Configuring the same in vtysh configure interactive mode works properly. When using "vtysh -f", the northbound compatible configuration is committed together whereas, in interactive mode, it committed line by line. In the first situation, in validation state nb_running_get_entry() fails because the area not yet in running. Do not use nb_running_get_entry() northbound validation state. Fixes: 893882e ("isisd: add isis flex-algo configuration backend") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Fix crash when flex-algo is configured and mpls-te is disabled. > interface eth0 > ip router isis 1 > ! > router isis 1 > flex-algo 129 > dataplane sr-mpls > advertise-definition > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140486233631168) at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=140486233631168) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=140486233631168, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x00007fc5802e9476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x00007fc58076021f in core_handler (signo=11, siginfo=0x7ffd38d42470, context=0x7ffd38d42340) at lib/sigevent.c:248 > #5 <signal handler called> > #6 0x000055c527f798c9 in isis_link_params_update_asla (circuit=0x55c52aaed3c0, ifp=0x55c52a1044e0) at isisd/isis_te.c:176 > #7 0x000055c527fb29da in isis_instance_flex_algo_create (args=0x7ffd38d43120) at isisd/isis_nb_config.c:2875 > #8 0x00007fc58072655b in nb_callback_create (context=0x55c52ab1d2f0, nb_node=0x55c529f72950, event=NB_EV_APPLY, dnode=0x55c52ab06230, resource=0x55c52ab189f8, errmsg=0x7ffd38d43750 "", > errmsg_len=8192) at lib/northbound.c:1262 > #9 0x00007fc580727625 in nb_callback_configuration (context=0x55c52ab1d2f0, event=NB_EV_APPLY, change=0x55c52ab189c0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) at lib/northbound.c:1662 > #10 0x00007fc580727c39 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x55c52ab1d2f0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) at lib/northbound.c:1794 > #11 0x00007fc580725f77 in nb_candidate_commit_apply (transaction=0x55c52ab1d2f0, save_transaction=true, transaction_id=0x0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) > at lib/northbound.c:1131 > #12 0x00007fc5807260d1 in nb_candidate_commit (context=..., candidate=0x55c529f0a730, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffd38d43750 "", errmsg_len=8192) > at lib/northbound.c:1164 > #13 0x00007fc58072d220 in nb_cli_classic_commit (vty=0x55c52a0fc6b0) at lib/northbound_cli.c:51 > #14 0x00007fc58072d839 in nb_cli_apply_changes_internal (vty=0x55c52a0fc6b0, > xpath_base=0x7ffd38d477f0 "/frr-isisd:isis/instance[area-tag='1'][vrf='default']/flex-algos/flex-algo[flex-algo='129']", clear_pending=false) at lib/northbound_cli.c:178 > #15 0x00007fc58072dbcf in nb_cli_apply_changes (vty=0x55c52a0fc6b0, xpath_base_fmt=0x55c528014de0 "./flex-algos/flex-algo[flex-algo='%ld']") at lib/northbound_cli.c:234 > #16 0x000055c527fd3403 in flex_algo_magic (self=0x55c52804f1a0 <flex_algo_cmd>, vty=0x55c52a0fc6b0, argc=2, argv=0x55c52ab00ec0, algorithm=129, algorithm_str=0x55c52ab120d0 "129") > at isisd/isis_cli.c:3752 > #17 0x000055c527fc97cb in flex_algo (self=0x55c52804f1a0 <flex_algo_cmd>, vty=0x55c52a0fc6b0, argc=2, argv=0x55c52ab00ec0) at ./isisd/isis_cli_clippy.c:6445 > #18 0x00007fc5806b9abc in cmd_execute_command_real (vline=0x55c52aaf78f0, vty=0x55c52a0fc6b0, cmd=0x0, up_level=0) at lib/command.c:984 > #19 0x00007fc5806b9c35 in cmd_execute_command (vline=0x55c52aaf78f0, vty=0x55c52a0fc6b0, cmd=0x0, vtysh=0) at lib/command.c:1043 > #20 0x00007fc5806ba1e5 in cmd_execute (vty=0x55c52a0fc6b0, cmd=0x55c52aae6bd0 "flex-algo 129\n", matched=0x0, vtysh=0) at lib/command.c:1209 > #21 0x00007fc580782ae1 in vty_command (vty=0x55c52a0fc6b0, buf=0x55c52aae6bd0 "flex-algo 129\n") at lib/vty.c:615 > #22 0x00007fc580784a05 in vty_execute (vty=0x55c52a0fc6b0) at lib/vty.c:1378 > #23 0x00007fc580787131 in vtysh_read (thread=0x7ffd38d4ab10) at lib/vty.c:2373 > #24 0x00007fc58077b605 in event_call (thread=0x7ffd38d4ab10) at lib/event.c:2011 > #25 0x00007fc5806f8976 in frr_run (master=0x55c529df9b30) at lib/libfrr.c:1212 > #26 0x000055c527f301bc in main (argc=5, argv=0x7ffd38d4ad58, envp=0x7ffd38d4ad88) at isisd/isis_main.c:350 > (gdb) f 6 > #6 0x000055c527f798c9 in isis_link_params_update_asla (circuit=0x55c52aaed3c0, ifp=0x55c52a1044e0) at isisd/isis_te.c:176 > 176 list_delete_all_node(ext->aslas); > (gdb) p ext > $1 = (struct isis_ext_subtlvs *) 0x0 Fixes: ae27101 ("isisd: fix building asla at first flex-algo config") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit cd81d28)
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Sep 11, 2024
Fix a crash when modifying a route-map with set as-path exclude without as-path-access-list: > router(config)# route-map routemaptest deny 1 > router(config-route-map)# set as-path exclude 33 34 35 > router(config-route-map)# set as-path exclude as-path-access-list test > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007fb3959327de in core_handler (signo=11, siginfo=0x7ffd122da530, context=0x7ffd122da400) at lib/sigevent.c:258 > #2 <signal handler called> > #3 0x000055ab2762a1bd in as_list_list_del (h=0x55ab27897680 <as_exclude_list_orphan>, item=0x55ab28204e20) at ./bgpd/bgp_aspath.h:77 > #4 0x000055ab2762d1a8 in as_exclude_remove_orphan (ase=0x55ab28204e20) at bgpd/bgp_aspath.c:1574 > #5 0x000055ab27550538 in route_aspath_exclude_free (rule=0x55ab28204e20) at bgpd/bgp_routemap.c:2366 > #6 0x00007fb39591f00c in route_map_rule_delete (list=0x55ab28203498, rule=0x55ab28204170) at lib/routemap.c:1357 > #7 0x00007fb39591f87c in route_map_add_set (index=0x55ab28203460, set_name=0x55ab276ad2aa "as-path exclude", set_arg=0x55ab281e4f70 "as-path-access-list test") at lib/routemap.c:1674 > #8 0x00007fb39591d3f3 in generic_set_add (index=0x55ab28203460, command=0x55ab276ad2aa "as-path exclude", arg=0x55ab281e4f70 "as-path-access-list test", errmsg=0x7ffd122db870 "", > errmsg_len=8192) at lib/routemap.c:533 > #9 0x000055ab2755e78e in lib_route_map_entry_set_action_rmap_set_action_exclude_as_path_modify (args=0x7ffd122db290) at bgpd/bgp_routemap_nb_config.c:2427 > #10 0x00007fb3958fe417 in nb_callback_modify (context=0x55ab28205aa0, nb_node=0x55ab27cb31e0, event=NB_EV_APPLY, dnode=0x55ab28202690, resource=0x55ab27c32148, errmsg=0x7ffd122db870 "", > errmsg_len=8192) at lib/northbound.c:1538 > #11 0x00007fb3958ff0ab in nb_callback_configuration (context=0x55ab28205aa0, event=NB_EV_APPLY, change=0x55ab27c32110, errmsg=0x7ffd122db870 "", errmsg_len=8192) at lib/northbound.c:1888 > #12 0x00007fb3958ff5e4 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x55ab28205aa0, errmsg=0x7ffd122db870 "", errmsg_len=8192) at lib/northbound.c:2016 > #13 0x00007fb3958fddba in nb_candidate_commit_apply (transaction=0x55ab28205aa0, save_transaction=true, transaction_id=0x0, errmsg=0x7ffd122db870 "", errmsg_len=8192) > at lib/northbound.c:1356 > #14 0x00007fb3958fdef0 in nb_candidate_commit (context=..., candidate=0x55ab27c2c9a0, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffd122db870 "", errmsg_len=8192) > at lib/northbound.c:1389 > #15 0x00007fb3959045ba in nb_cli_classic_commit (vty=0x55ab281f6680) at lib/northbound_cli.c:57 > #16 0x00007fb395904b5a in nb_cli_apply_changes_internal (vty=0x55ab281f6680, xpath_base=0x7ffd122dfd10 "/frr-route-map:lib/route-map[name='routemaptest']/entry[sequence='1']", > clear_pending=false) at lib/northbound_cli.c:184 > #17 0x00007fb395904ebf in nb_cli_apply_changes (vty=0x55ab281f6680, xpath_base_fmt=0x0) at lib/northbound_cli.c:240 > --Type <RET> for more, q to quit, c to continue without paging-- > #18 0x000055ab27557d2e in set_aspath_exclude_access_list_magic (self=0x55ab2775c300 <set_aspath_exclude_access_list_cmd>, vty=0x55ab281f6680, argc=5, argv=0x55ab28204c80, > as_path_filter_name=0x55ab28202040 "test") at bgpd/bgp_routemap.c:6397 > #19 0x000055ab2754bdea in set_aspath_exclude_access_list (self=0x55ab2775c300 <set_aspath_exclude_access_list_cmd>, vty=0x55ab281f6680, argc=5, argv=0x55ab28204c80) > at ./bgpd/bgp_routemap_clippy.c:856 > #20 0x00007fb39589435d in cmd_execute_command_real (vline=0x55ab281e61f0, vty=0x55ab281f6680, cmd=0x0, up_level=0) at lib/command.c:1003 > #21 0x00007fb3958944be in cmd_execute_command (vline=0x55ab281e61f0, vty=0x55ab281f6680, cmd=0x0, vtysh=0) at lib/command.c:1062 > #22 0x00007fb395894a0c in cmd_execute (vty=0x55ab281f6680, cmd=0x55ab28200f20 "set as-path exclude as-path-access-list test", matched=0x0, vtysh=0) at lib/command.c:1228 > #23 0x00007fb39595242c in vty_command (vty=0x55ab281f6680, buf=0x55ab28200f20 "set as-path exclude as-path-access-list test") at lib/vty.c:625 > #24 0x00007fb3959541c5 in vty_execute (vty=0x55ab281f6680) at lib/vty.c:1388 > #25 0x00007fb3959563db in vtysh_read (thread=0x7ffd122e2bb0) at lib/vty.c:2400 > #26 0x00007fb39594b785 in event_call (thread=0x7ffd122e2bb0) at lib/event.c:1996 > #27 0x00007fb3958d1365 in frr_run (master=0x55ab27b56d70) at lib/libfrr.c:1231 > #28 0x000055ab2747f1cc in main (argc=3, argv=0x7ffd122e2e08) at bgpd/bgp_main.c:555 Fixes: 094dcc3 ("bgpd: fix "bgp as-pah access-list" with "set aspath exclude" set/unset issues") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
ton31337
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Sep 11, 2024
Fix a crash when modifying a route-map with set as-path exclude without as-path-access-list: > router(config)# route-map routemaptest deny 1 > router(config-route-map)# set as-path exclude 33 34 35 > router(config-route-map)# set as-path exclude as-path-access-list test > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007fb3959327de in core_handler (signo=11, siginfo=0x7ffd122da530, context=0x7ffd122da400) at lib/sigevent.c:258 > #2 <signal handler called> > #3 0x000055ab2762a1bd in as_list_list_del (h=0x55ab27897680 <as_exclude_list_orphan>, item=0x55ab28204e20) at ./bgpd/bgp_aspath.h:77 > #4 0x000055ab2762d1a8 in as_exclude_remove_orphan (ase=0x55ab28204e20) at bgpd/bgp_aspath.c:1574 > #5 0x000055ab27550538 in route_aspath_exclude_free (rule=0x55ab28204e20) at bgpd/bgp_routemap.c:2366 > #6 0x00007fb39591f00c in route_map_rule_delete (list=0x55ab28203498, rule=0x55ab28204170) at lib/routemap.c:1357 > #7 0x00007fb39591f87c in route_map_add_set (index=0x55ab28203460, set_name=0x55ab276ad2aa "as-path exclude", set_arg=0x55ab281e4f70 "as-path-access-list test") at lib/routemap.c:1674 > #8 0x00007fb39591d3f3 in generic_set_add (index=0x55ab28203460, command=0x55ab276ad2aa "as-path exclude", arg=0x55ab281e4f70 "as-path-access-list test", errmsg=0x7ffd122db870 "", > errmsg_len=8192) at lib/routemap.c:533 > #9 0x000055ab2755e78e in lib_route_map_entry_set_action_rmap_set_action_exclude_as_path_modify (args=0x7ffd122db290) at bgpd/bgp_routemap_nb_config.c:2427 > #10 0x00007fb3958fe417 in nb_callback_modify (context=0x55ab28205aa0, nb_node=0x55ab27cb31e0, event=NB_EV_APPLY, dnode=0x55ab28202690, resource=0x55ab27c32148, errmsg=0x7ffd122db870 "", > errmsg_len=8192) at lib/northbound.c:1538 > #11 0x00007fb3958ff0ab in nb_callback_configuration (context=0x55ab28205aa0, event=NB_EV_APPLY, change=0x55ab27c32110, errmsg=0x7ffd122db870 "", errmsg_len=8192) at lib/northbound.c:1888 > #12 0x00007fb3958ff5e4 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x55ab28205aa0, errmsg=0x7ffd122db870 "", errmsg_len=8192) at lib/northbound.c:2016 > #13 0x00007fb3958fddba in nb_candidate_commit_apply (transaction=0x55ab28205aa0, save_transaction=true, transaction_id=0x0, errmsg=0x7ffd122db870 "", errmsg_len=8192) > at lib/northbound.c:1356 > #14 0x00007fb3958fdef0 in nb_candidate_commit (context=..., candidate=0x55ab27c2c9a0, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffd122db870 "", errmsg_len=8192) > at lib/northbound.c:1389 > #15 0x00007fb3959045ba in nb_cli_classic_commit (vty=0x55ab281f6680) at lib/northbound_cli.c:57 > #16 0x00007fb395904b5a in nb_cli_apply_changes_internal (vty=0x55ab281f6680, xpath_base=0x7ffd122dfd10 "/frr-route-map:lib/route-map[name='routemaptest']/entry[sequence='1']", > clear_pending=false) at lib/northbound_cli.c:184 > #17 0x00007fb395904ebf in nb_cli_apply_changes (vty=0x55ab281f6680, xpath_base_fmt=0x0) at lib/northbound_cli.c:240 > --Type <RET> for more, q to quit, c to continue without paging-- > #18 0x000055ab27557d2e in set_aspath_exclude_access_list_magic (self=0x55ab2775c300 <set_aspath_exclude_access_list_cmd>, vty=0x55ab281f6680, argc=5, argv=0x55ab28204c80, > as_path_filter_name=0x55ab28202040 "test") at bgpd/bgp_routemap.c:6397 > #19 0x000055ab2754bdea in set_aspath_exclude_access_list (self=0x55ab2775c300 <set_aspath_exclude_access_list_cmd>, vty=0x55ab281f6680, argc=5, argv=0x55ab28204c80) > at ./bgpd/bgp_routemap_clippy.c:856 > #20 0x00007fb39589435d in cmd_execute_command_real (vline=0x55ab281e61f0, vty=0x55ab281f6680, cmd=0x0, up_level=0) at lib/command.c:1003 > #21 0x00007fb3958944be in cmd_execute_command (vline=0x55ab281e61f0, vty=0x55ab281f6680, cmd=0x0, vtysh=0) at lib/command.c:1062 > #22 0x00007fb395894a0c in cmd_execute (vty=0x55ab281f6680, cmd=0x55ab28200f20 "set as-path exclude as-path-access-list test", matched=0x0, vtysh=0) at lib/command.c:1228 > #23 0x00007fb39595242c in vty_command (vty=0x55ab281f6680, buf=0x55ab28200f20 "set as-path exclude as-path-access-list test") at lib/vty.c:625 > #24 0x00007fb3959541c5 in vty_execute (vty=0x55ab281f6680) at lib/vty.c:1388 > #25 0x00007fb3959563db in vtysh_read (thread=0x7ffd122e2bb0) at lib/vty.c:2400 > #26 0x00007fb39594b785 in event_call (thread=0x7ffd122e2bb0) at lib/event.c:1996 > #27 0x00007fb3958d1365 in frr_run (master=0x55ab27b56d70) at lib/libfrr.c:1231 > #28 0x000055ab2747f1cc in main (argc=3, argv=0x7ffd122e2e08) at bgpd/bgp_main.c:555 Fixes: 094dcc3 ("bgpd: fix "bgp as-pah access-list" with "set aspath exclude" set/unset issues") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Sep 12, 2024
Level 2 adjacency list is not supposed to be always set. > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007f9f0353274f in core_handler (signo=6, siginfo=0x7ffe95260770, context=0x7ffe95260640) at lib/sigevent.c:258 > #2 <signal handler called> > #3 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 > #4 0x00007f9f0324e537 in __GI_abort () at abort.c:79 > #5 0x00007f9f035744ea in _zlog_assert_failed (xref=0x7f9f0362c6c0 <_xref.15>, extra=0x0) at lib/zlog.c:789 > #6 0x00007f9f034d25ee in listnode_head (list=0x0) at lib/linklist.c:316 > #7 0x000055cd65aaa481 in lib_interface_state_isis_adjacencies_adjacency_get_next (args=0x7ffe95261730) at isisd/isis_nb_state.c:101 > #8 0x00007f9f034feadd in nb_callback_get_next (nb_node=0x55cd673c0190, parent_list_entry=0x55cd67570d30, list_entry=0x55cd6758f8a0) at lib/northbound.c:1748 > #9 0x00007f9f0350bf07 in __walk (ys=0x55cd675782b0, is_resume=false) at lib/northbound_oper.c:1264 > #10 0x00007f9f0350deaa in nb_op_walk_start (ys=0x55cd675782b0) at lib/northbound_oper.c:1741 > #11 0x00007f9f0350e079 in nb_oper_iterate_legacy (xpath=0x55cd67595c60 "/frr-interface:lib", translator=0x0, flags=0, cb=0x0, cb_arg=0x0, tree=0x7ffe952621b0) at lib/northbound_oper.c:1803 > #12 0x00007f9f03507661 in show_yang_operational_data_magic (self=0x7f9f03634a80 <show_yang_operational_data_cmd>, vty=0x55cd675a61f0, argc=4, argv=0x55cd6758eab0, > xpath=0x55cd67595c60 "/frr-interface:lib", json=0x0, xml=0x0, translator_family=0x0, with_config=0x0) at lib/northbound_cli.c:1576 > #13 0x00007f9f035037f0 in show_yang_operational_data (self=0x7f9f03634a80 <show_yang_operational_data_cmd>, vty=0x55cd675a61f0, argc=4, argv=0x55cd6758eab0) > at ./lib/northbound_cli_clippy.c:906 > #14 0x00007f9f0349435d in cmd_execute_command_real (vline=0x55cd6758e490, vty=0x55cd675a61f0, cmd=0x0, up_level=0) at lib/command.c:1003 > #15 0x00007f9f03494477 in cmd_execute_command (vline=0x55cd67585340, vty=0x55cd675a61f0, cmd=0x0, vtysh=0) at lib/command.c:1053 > #16 0x00007f9f03494a0c in cmd_execute (vty=0x55cd675a61f0, cmd=0x55cd67579040 "do show yang operational-data /frr-interface:lib", matched=0x0, vtysh=0) at lib/command.c:1228 > #17 0x00007f9f0355239d in vty_command (vty=0x55cd675a61f0, buf=0x55cd67579040 "do show yang operational-data /frr-interface:lib") at lib/vty.c:625 > #18 0x00007f9f03554136 in vty_execute (vty=0x55cd675a61f0) at lib/vty.c:1388 > #19 0x00007f9f0355634c in vtysh_read (thread=0x7ffe952647a0) at lib/vty.c:2400 > #20 0x00007f9f0354b6f6 in event_call (thread=0x7ffe952647a0) at lib/event.c:1996 > #21 0x00007f9f034d1365 in frr_run (master=0x55cd67204da0) at lib/libfrr.c:1231 > #22 0x000055cd65a3236e in main (argc=7, argv=0x7ffe952649c8, envp=0x7ffe95264a08) at isisd/isis_main.c:354 Fixes: 2a1c520 ("isisd: split northbound callbacks into multiple files") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Fix a crash when modifying a route-map with set as-path exclude without as-path-access-list: > router(config)# route-map routemaptest deny 1 > router(config-route-map)# set as-path exclude 33 34 35 > router(config-route-map)# set as-path exclude as-path-access-list test > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007fb3959327de in core_handler (signo=11, siginfo=0x7ffd122da530, context=0x7ffd122da400) at lib/sigevent.c:258 > #2 <signal handler called> > #3 0x000055ab2762a1bd in as_list_list_del (h=0x55ab27897680 <as_exclude_list_orphan>, item=0x55ab28204e20) at ./bgpd/bgp_aspath.h:77 > #4 0x000055ab2762d1a8 in as_exclude_remove_orphan (ase=0x55ab28204e20) at bgpd/bgp_aspath.c:1574 > #5 0x000055ab27550538 in route_aspath_exclude_free (rule=0x55ab28204e20) at bgpd/bgp_routemap.c:2366 > #6 0x00007fb39591f00c in route_map_rule_delete (list=0x55ab28203498, rule=0x55ab28204170) at lib/routemap.c:1357 > #7 0x00007fb39591f87c in route_map_add_set (index=0x55ab28203460, set_name=0x55ab276ad2aa "as-path exclude", set_arg=0x55ab281e4f70 "as-path-access-list test") at lib/routemap.c:1674 > #8 0x00007fb39591d3f3 in generic_set_add (index=0x55ab28203460, command=0x55ab276ad2aa "as-path exclude", arg=0x55ab281e4f70 "as-path-access-list test", errmsg=0x7ffd122db870 "", > errmsg_len=8192) at lib/routemap.c:533 > #9 0x000055ab2755e78e in lib_route_map_entry_set_action_rmap_set_action_exclude_as_path_modify (args=0x7ffd122db290) at bgpd/bgp_routemap_nb_config.c:2427 > #10 0x00007fb3958fe417 in nb_callback_modify (context=0x55ab28205aa0, nb_node=0x55ab27cb31e0, event=NB_EV_APPLY, dnode=0x55ab28202690, resource=0x55ab27c32148, errmsg=0x7ffd122db870 "", > errmsg_len=8192) at lib/northbound.c:1538 > #11 0x00007fb3958ff0ab in nb_callback_configuration (context=0x55ab28205aa0, event=NB_EV_APPLY, change=0x55ab27c32110, errmsg=0x7ffd122db870 "", errmsg_len=8192) at lib/northbound.c:1888 > #12 0x00007fb3958ff5e4 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x55ab28205aa0, errmsg=0x7ffd122db870 "", errmsg_len=8192) at lib/northbound.c:2016 > #13 0x00007fb3958fddba in nb_candidate_commit_apply (transaction=0x55ab28205aa0, save_transaction=true, transaction_id=0x0, errmsg=0x7ffd122db870 "", errmsg_len=8192) > at lib/northbound.c:1356 > #14 0x00007fb3958fdef0 in nb_candidate_commit (context=..., candidate=0x55ab27c2c9a0, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7ffd122db870 "", errmsg_len=8192) > at lib/northbound.c:1389 > #15 0x00007fb3959045ba in nb_cli_classic_commit (vty=0x55ab281f6680) at lib/northbound_cli.c:57 > #16 0x00007fb395904b5a in nb_cli_apply_changes_internal (vty=0x55ab281f6680, xpath_base=0x7ffd122dfd10 "/frr-route-map:lib/route-map[name='routemaptest']/entry[sequence='1']", > clear_pending=false) at lib/northbound_cli.c:184 > #17 0x00007fb395904ebf in nb_cli_apply_changes (vty=0x55ab281f6680, xpath_base_fmt=0x0) at lib/northbound_cli.c:240 > --Type <RET> for more, q to quit, c to continue without paging-- > #18 0x000055ab27557d2e in set_aspath_exclude_access_list_magic (self=0x55ab2775c300 <set_aspath_exclude_access_list_cmd>, vty=0x55ab281f6680, argc=5, argv=0x55ab28204c80, > as_path_filter_name=0x55ab28202040 "test") at bgpd/bgp_routemap.c:6397 > #19 0x000055ab2754bdea in set_aspath_exclude_access_list (self=0x55ab2775c300 <set_aspath_exclude_access_list_cmd>, vty=0x55ab281f6680, argc=5, argv=0x55ab28204c80) > at ./bgpd/bgp_routemap_clippy.c:856 > #20 0x00007fb39589435d in cmd_execute_command_real (vline=0x55ab281e61f0, vty=0x55ab281f6680, cmd=0x0, up_level=0) at lib/command.c:1003 > #21 0x00007fb3958944be in cmd_execute_command (vline=0x55ab281e61f0, vty=0x55ab281f6680, cmd=0x0, vtysh=0) at lib/command.c:1062 > #22 0x00007fb395894a0c in cmd_execute (vty=0x55ab281f6680, cmd=0x55ab28200f20 "set as-path exclude as-path-access-list test", matched=0x0, vtysh=0) at lib/command.c:1228 > #23 0x00007fb39595242c in vty_command (vty=0x55ab281f6680, buf=0x55ab28200f20 "set as-path exclude as-path-access-list test") at lib/vty.c:625 > #24 0x00007fb3959541c5 in vty_execute (vty=0x55ab281f6680) at lib/vty.c:1388 > #25 0x00007fb3959563db in vtysh_read (thread=0x7ffd122e2bb0) at lib/vty.c:2400 > #26 0x00007fb39594b785 in event_call (thread=0x7ffd122e2bb0) at lib/event.c:1996 > #27 0x00007fb3958d1365 in frr_run (master=0x55ab27b56d70) at lib/libfrr.c:1231 > #28 0x000055ab2747f1cc in main (argc=3, argv=0x7ffd122e2e08) at bgpd/bgp_main.c:555 Fixes: 094dcc3 ("bgpd: fix "bgp as-pah access-list" with "set aspath exclude" set/unset issues") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Sep 13, 2024
When 'no rpki' is requested and the rtrlib RPKI object was freed, bgpd is crashing. RPKI is configured in VRF red. > ip l set red down > ip l del red > printf 'conf\n vrf red\n no rpki' | vtysh > Core was generated by `/usr/bin/bgpd -A 127.0.0.1 -M snmp -M rpki -M bmp'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:44 > 44 ./nptl/pthread_kill.c: No such file or directory. > [Current thread is 1 (Thread 0x7fb401f419c0 (LWP 190226))] > (gdb) bt > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=140411103615424) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=140411103615424, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x00007fb4021ad476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x00007fb4025ce22b in core_handler (signo=11, siginfo=0x7fff831b2d70, context=0x7fff831b2c40) at lib/sigevent.c:248 > #5 <signal handler called> > #6 rtr_mgr_remove_group (config=0x55fe8789f750, preference=11) at /build/make-pkg/output/source/DIST_RTRLIB/rtrlib/rtrlib/rtr_mgr.c:607 > #7 0x00007fb40145f518 in rpki_delete_all_cache_nodes (rpki_vrf=0x55fe8789f4f0) at bgpd/bgp_rpki.c:442 > #8 0x00007fb401463098 in no_rpki_magic (self=0x7fb40146bba0 <no_rpki_cmd>, vty=0x55fe877f5130, argc=2, argv=0x55fe877fccd0) at bgpd/bgp_rpki.c:1732 > #9 0x00007fb40145c09a in no_rpki (self=0x7fb40146bba0 <no_rpki_cmd>, vty=0x55fe877f5130, argc=2, argv=0x55fe877fccd0) at ./bgpd/bgp_rpki_clippy.c:37 > #10 0x00007fb402527abc in cmd_execute_command_real (vline=0x55fe877fd150, vty=0x55fe877f5130, cmd=0x0, up_level=0) at lib/command.c:984 > #11 0x00007fb402527c35 in cmd_execute_command (vline=0x55fe877fd150, vty=0x55fe877f5130, cmd=0x0, vtysh=0) at lib/command.c:1043 > #12 0x00007fb4025281e5 in cmd_execute (vty=0x55fe877f5130, cmd=0x55fe877fb8c0 "no rpki\n", matched=0x0, vtysh=0) at lib/command.c:1209 > #13 0x00007fb4025f0aed in vty_command (vty=0x55fe877f5130, buf=0x55fe877fb8c0 "no rpki\n") at lib/vty.c:615 > #14 0x00007fb4025f2a11 in vty_execute (vty=0x55fe877f5130) at lib/vty.c:1378 > #15 0x00007fb4025f513d in vtysh_read (thread=0x7fff831b5fa0) at lib/vty.c:2373 > #16 0x00007fb4025e9611 in event_call (thread=0x7fff831b5fa0) at lib/event.c:2011 > #17 0x00007fb402566976 in frr_run (master=0x55fe871a14a0) at lib/libfrr.c:1212 > #18 0x000055fe857829fa in main (argc=9, argv=0x7fff831b6218) at bgpd/bgp_main.c:549 Fixes: 8156765 ("bgpd: Add `no rpki` command") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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```
==5445==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x7ff4c6bedb19 bp 0x7ffc95f2e400 sp 0x7ffc95f2e3c0 T0)
==5445==The signal is caused by a READ memory access.
==5445==Hint: address points to the zero page.
#0 0x7ff4c6bedb19 in hash_iterate lib/hash.c:246
#1 0x5618f41f5f59 in bgp_evpn_nh_finish bgpd/bgp_evpn_mh.c:4663
#2 0x5618f41dcbe8 in bgp_evpn_vrf_delete bgpd/bgp_evpn.c:7336
#3 0x5618f43bdd35 in bgp_delete bgpd/bgpd.c:4098
#4 0x5618f417ef6e in bgp_exit bgpd/bgp_main.c:206
#5 0x5618f417ef6e in sigint bgpd/bgp_main.c:164
#6 0x7ff4c6cac6c4 in frr_sigevent_process lib/sigevent.c:117
#7 0x7ff4c6cd8258 in event_fetch lib/event.c:1767
#8 0x7ff4c6c0dcbc in frr_run lib/libfrr.c:1230
#9 0x5618f418080d in main bgpd/bgp_main.c:555
#10 0x7ff4c670c249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#11 0x7ff4c670c304 in __libc_start_main_impl ../csu/libc-start.c:360
#12 0x5618f417ea20 in _start (/usr/lib/frr/bgpd+0x2e4a20)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV lib/hash.c:246 in hash_iterate
```
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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```
ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000aecf0 at pc 0x5555557ecdb9 bp 0x7fffffffe350 sp 0x7fffffffe340
READ of size 4 at 0x6160000aecf0 thread T0
#0 0x5555557ecdb8 in igmp_source_delete pimd/pim_igmpv3.c:340
#1 0x5555557ed475 in igmp_source_delete_expired pimd/pim_igmpv3.c:405
#2 0x5555557de574 in igmp_group_timer pimd/pim_igmp.c:1346
#3 0x7ffff7275421 in event_call lib/event.c:1996
#4 0x7ffff7140797 in frr_run lib/libfrr.c:1237
#5 0x5555557f5840 in main pimd/pim_main.c:166
#6 0x7ffff6a54082 in __libc_start_main ../csu/libc-start.c:308
#7 0x555555686eed in _start (/usr/lib/frr/pimd+0x132eed)
0x6160000aecf0 is located 112 bytes inside of 600-byte region [0x6160000aec80,0x6160000aeed8)
freed by thread T0 here:
#0 0x7ffff767b40f in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:122
#1 0x7ffff716ed34 in qfree lib/memory.c:131
#2 0x5555557169ae in pim_channel_oil_free pimd/pim_oil.c:84
#3 0x555555717981 in pim_channel_oil_del pimd/pim_oil.c:199
#4 0x55555573c42c in tib_sg_gm_prune pimd/pim_tib.c:196
#5 0x5555557d6d04 in igmp_source_forward_stop pimd/pim_igmp.c:229
#6 0x5555557d5855 in igmp_anysource_forward_stop pimd/pim_igmp.c:61
#7 0x5555557de539 in igmp_group_timer pimd/pim_igmp.c:1344
#8 0x7ffff7275421 in event_call lib/event.c:1996
#9 0x7ffff7140797 in frr_run lib/libfrr.c:1237
#10 0x5555557f5840 in main pimd/pim_main.c:166
#11 0x7ffff6a54082 in __libc_start_main ../csu/libc-start.c:308
previously allocated by thread T0 here:
#0 0x7ffff767ba06 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153
#1 0x7ffff716ebe1 in qcalloc lib/memory.c:106
#2 0x555555716eb7 in pim_channel_oil_add pimd/pim_oil.c:133
#3 0x55555573b2b9 in tib_sg_oil_setup pimd/pim_tib.c:30
#4 0x55555573bdd3 in tib_sg_gm_join pimd/pim_tib.c:119
#5 0x5555557d6788 in igmp_source_forward_start pimd/pim_igmp.c:193
#6 0x5555557d5771 in igmp_anysource_forward_start pimd/pim_igmp.c:51
#7 0x5555557ecaa0 in group_exclude_fwd_anysrc_ifempty pimd/pim_igmpv3.c:310
#8 0x5555557ef937 in toex_incl pimd/pim_igmpv3.c:839
#9 0x5555557f00a2 in igmpv3_report_toex pimd/pim_igmpv3.c:938
#10 0x5555557f543d in igmp_v3_recv_report pimd/pim_igmpv3.c:2000
#11 0x5555557da2b4 in pim_igmp_packet pimd/pim_igmp.c:787
#12 0x5555556ee46a in process_igmp_packet pimd/pim_mroute.c:763
#13 0x5555556ee5f3 in pim_mroute_msg pimd/pim_mroute.c:787
#14 0x5555556eef58 in mroute_read pimd/pim_mroute.c:877
#15 0x7ffff7275421 in event_call lib/event.c:1996
#16 0x7ffff7140797 in frr_run lib/libfrr.c:1237
#17 0x5555557f5840 in main pimd/pim_main.c:166
#18 0x7ffff6a54082 in __libc_start_main ../csu/libc-start.c:308
SUMMARY: AddressSanitizer: heap-use-after-free pimd/pim_igmpv3.c:340 in igmp_source_delete
Shadow bytes around the buggy address:
0x0c2c8000dd40: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000dd50: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000dd60: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000dd70: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000dd80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x0c2c8000dd90: fd fd fd fd fd fd fd fd fd fd fd fd fd fd[fd]fd
0x0c2c8000dda0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000ddb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000ddc0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c2c8000ddd0: fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa
0x0c2c8000dde0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
```
Signed-off-by: Jafar Al-Gharaibeh <jafar@atcorp.com>
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The following ASAN issue has been observed: > ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000acba4 at pc 0x55910c5694d0 bp 0x7ffe3a8ac850 sp 0x7ffe3a8ac840 > READ of size 4 at 0x6160000acba4 thread T0 > #0 0x55910c5694cf in ctx_info_from_zns zebra/zebra_dplane.c:3315 > #1 0x55910c569696 in dplane_ctx_ns_init zebra/zebra_dplane.c:3331 > #2 0x55910c56bf61 in dplane_ctx_nexthop_init zebra/zebra_dplane.c:3680 > #3 0x55910c5711ca in dplane_nexthop_update_internal zebra/zebra_dplane.c:4490 > #4 0x55910c571c5c in dplane_nexthop_delete zebra/zebra_dplane.c:4717 > #5 0x55910c61e90e in zebra_nhg_uninstall_kernel zebra/zebra_nhg.c:3413 > #6 0x55910c615d8a in zebra_nhg_decrement_ref zebra/zebra_nhg.c:1919 > #7 0x55910c6404db in route_entry_update_nhe zebra/zebra_rib.c:454 > #8 0x55910c64c904 in rib_re_nhg_free zebra/zebra_rib.c:2822 > #9 0x55910c655be2 in rib_unlink zebra/zebra_rib.c:4212 > #10 0x55910c6430f9 in zebra_rtable_node_cleanup zebra/zebra_rib.c:968 > #11 0x7f26f275b8a9 in route_node_free lib/table.c:75 > #12 0x7f26f275bae4 in route_table_free lib/table.c:111 > #13 0x7f26f275b749 in route_table_finish lib/table.c:46 > #14 0x55910c65db17 in zebra_router_free_table zebra/zebra_router.c:191 > #15 0x55910c65dfb5 in zebra_router_terminate zebra/zebra_router.c:244 > #16 0x55910c4f40db in zebra_finalize zebra/main.c:249 > #17 0x7f26f2777108 in event_call lib/event.c:2011 > #18 0x7f26f264180e in frr_run lib/libfrr.c:1212 > #19 0x55910c4f49cb in main zebra/main.c:531 > #20 0x7f26f2029d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 > #21 0x7f26f2029e3f in __libc_start_main_impl ../csu/libc-start.c:392 > #22 0x55910c4b0114 in _start (/usr/lib/frr/zebra+0x1ae114) It happens with FRR using the kernel. During shutdown, the namespace identifier is attempted to be obtained by zebra, in an attempt to prepare zebra dataplane nexthop messages. Fix this by accessing the ns structure. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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The following ASAN issue has been observed: > ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000acba4 at pc 0x55910c5694d0 bp 0x7ffe3a8ac850 sp 0x7ffe3a8ac840 > READ of size 4 at 0x6160000acba4 thread T0 > #0 0x55910c5694cf in ctx_info_from_zns zebra/zebra_dplane.c:3315 > #1 0x55910c569696 in dplane_ctx_ns_init zebra/zebra_dplane.c:3331 > #2 0x55910c56bf61 in dplane_ctx_nexthop_init zebra/zebra_dplane.c:3680 > #3 0x55910c5711ca in dplane_nexthop_update_internal zebra/zebra_dplane.c:4490 > #4 0x55910c571c5c in dplane_nexthop_delete zebra/zebra_dplane.c:4717 > #5 0x55910c61e90e in zebra_nhg_uninstall_kernel zebra/zebra_nhg.c:3413 > #6 0x55910c615d8a in zebra_nhg_decrement_ref zebra/zebra_nhg.c:1919 > #7 0x55910c6404db in route_entry_update_nhe zebra/zebra_rib.c:454 > #8 0x55910c64c904 in rib_re_nhg_free zebra/zebra_rib.c:2822 > #9 0x55910c655be2 in rib_unlink zebra/zebra_rib.c:4212 > #10 0x55910c6430f9 in zebra_rtable_node_cleanup zebra/zebra_rib.c:968 > #11 0x7f26f275b8a9 in route_node_free lib/table.c:75 > #12 0x7f26f275bae4 in route_table_free lib/table.c:111 > #13 0x7f26f275b749 in route_table_finish lib/table.c:46 > #14 0x55910c65db17 in zebra_router_free_table zebra/zebra_router.c:191 > #15 0x55910c65dfb5 in zebra_router_terminate zebra/zebra_router.c:244 > #16 0x55910c4f40db in zebra_finalize zebra/main.c:249 > #17 0x7f26f2777108 in event_call lib/event.c:2011 > #18 0x7f26f264180e in frr_run lib/libfrr.c:1212 > #19 0x55910c4f49cb in main zebra/main.c:531 > #20 0x7f26f2029d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 > #21 0x7f26f2029e3f in __libc_start_main_impl ../csu/libc-start.c:392 > #22 0x55910c4b0114 in _start (/usr/lib/frr/zebra+0x1ae114) It happens with FRR using the kernel. During shutdown, the namespace identifier is attempted to be obtained by zebra, in an attempt to prepare zebra dataplane nexthop messages. Fix this by accessing the ns structure. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com> (cherry picked from commit 7ae70eb)
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The following ASAN issue has been observed: > ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000acba4 at pc 0x55910c5694d0 bp 0x7ffe3a8ac850 sp 0x7ffe3a8ac840 > READ of size 4 at 0x6160000acba4 thread T0 > #0 0x55910c5694cf in ctx_info_from_zns zebra/zebra_dplane.c:3315 > #1 0x55910c569696 in dplane_ctx_ns_init zebra/zebra_dplane.c:3331 > #2 0x55910c56bf61 in dplane_ctx_nexthop_init zebra/zebra_dplane.c:3680 > #3 0x55910c5711ca in dplane_nexthop_update_internal zebra/zebra_dplane.c:4490 > #4 0x55910c571c5c in dplane_nexthop_delete zebra/zebra_dplane.c:4717 > #5 0x55910c61e90e in zebra_nhg_uninstall_kernel zebra/zebra_nhg.c:3413 > #6 0x55910c615d8a in zebra_nhg_decrement_ref zebra/zebra_nhg.c:1919 > #7 0x55910c6404db in route_entry_update_nhe zebra/zebra_rib.c:454 > #8 0x55910c64c904 in rib_re_nhg_free zebra/zebra_rib.c:2822 > #9 0x55910c655be2 in rib_unlink zebra/zebra_rib.c:4212 > #10 0x55910c6430f9 in zebra_rtable_node_cleanup zebra/zebra_rib.c:968 > #11 0x7f26f275b8a9 in route_node_free lib/table.c:75 > #12 0x7f26f275bae4 in route_table_free lib/table.c:111 > #13 0x7f26f275b749 in route_table_finish lib/table.c:46 > #14 0x55910c65db17 in zebra_router_free_table zebra/zebra_router.c:191 > #15 0x55910c65dfb5 in zebra_router_terminate zebra/zebra_router.c:244 > #16 0x55910c4f40db in zebra_finalize zebra/main.c:249 > #17 0x7f26f2777108 in event_call lib/event.c:2011 > #18 0x7f26f264180e in frr_run lib/libfrr.c:1212 > #19 0x55910c4f49cb in main zebra/main.c:531 > #20 0x7f26f2029d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 > #21 0x7f26f2029e3f in __libc_start_main_impl ../csu/libc-start.c:392 > #22 0x55910c4b0114 in _start (/usr/lib/frr/zebra+0x1ae114) It happens with FRR using the kernel. During shutdown, the namespace identifier is attempted to be obtained by zebra, in an attempt to prepare zebra dataplane nexthop messages. Fix this by accessing the ns structure. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com> (cherry picked from commit 7ae70eb)
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Fix the display of the local label in show bgp. > r1# show bgp ipv4 labeled-unicast 172.16.2.2/32 > BGP routing table entry for 172.16.2.2/32, version 2 > Local label: 16 <---- MISSING > Paths: (1 available, best #1, table default, vrf (null)) > Advertised to non peer-group peers: > 192.168.1.2 > 65501 > 192.168.1.2 from 192.168.1.2 (172.16.2.2) > Origin IGP, metric 0, valid, external, best (First path received) > Remote label: 3 > Last update: Fri Oct 25 17:55:45 2024 Fixes: 67f67ba ("bgpd: Drop label_ntop/label_pton functions") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Fix the display of the local label in show bgp. > r1# show bgp ipv4 labeled-unicast 172.16.2.2/32 > BGP routing table entry for 172.16.2.2/32, version 2 > Local label: 16 <---- MISSING > Paths: (1 available, best #1, table default, vrf (null)) > Advertised to non peer-group peers: > 192.168.1.2 > 65501 > 192.168.1.2 from 192.168.1.2 (172.16.2.2) > Origin IGP, metric 0, valid, external, best (First path received) > Remote label: 3 > Last update: Fri Oct 25 17:55:45 2024 Fixes: 67f67ba ("bgpd: Drop label_ntop/label_pton functions") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit e7b3276)
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Fix the display of the local label in show bgp. > r1# show bgp ipv4 labeled-unicast 172.16.2.2/32 > BGP routing table entry for 172.16.2.2/32, version 2 > Local label: 16 <---- MISSING > Paths: (1 available, best #1, table default, vrf (null)) > Advertised to non peer-group peers: > 192.168.1.2 > 65501 > 192.168.1.2 from 192.168.1.2 (172.16.2.2) > Origin IGP, metric 0, valid, external, best (First path received) > Remote label: 3 > Last update: Fri Oct 25 17:55:45 2024 Fixes: 67f67ba ("bgpd: Drop label_ntop/label_pton functions") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit e7b3276)
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Fix the display of the local label in show bgp. > r1# show bgp ipv4 labeled-unicast 172.16.2.2/32 > BGP routing table entry for 172.16.2.2/32, version 2 > Local label: 16 <---- MISSING > Paths: (1 available, best #1, table default, vrf (null)) > Advertised to non peer-group peers: > 192.168.1.2 > 65501 > 192.168.1.2 from 192.168.1.2 (172.16.2.2) > Origin IGP, metric 0, valid, external, best (First path received) > Remote label: 3 > Last update: Fri Oct 25 17:55:45 2024 Fixes: 67f67ba ("bgpd: Drop label_ntop/label_pton functions") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit e7b3276)
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Fix the display of the local label in show bgp. > r1# show bgp ipv4 labeled-unicast 172.16.2.2/32 > BGP routing table entry for 172.16.2.2/32, version 2 > Local label: 16 <---- MISSING > Paths: (1 available, best #1, table default, vrf (null)) > Advertised to non peer-group peers: > 192.168.1.2 > 65501 > 192.168.1.2 from 192.168.1.2 (172.16.2.2) > Origin IGP, metric 0, valid, external, best (First path received) > Remote label: 3 > Last update: Fri Oct 25 17:55:45 2024 Fixes: 67f67ba ("bgpd: Drop label_ntop/label_pton functions") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit e7b3276)
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Nov 12, 2024
When shutdown a LAN-type circuit, and if the current device is not the DIS (assuming it is a level-1 device), the isis_circuit_down() function will not call the isis_dr_resign() function to clear the circuit->u.bc.run_dr_elect[0] bit (this bit is set on interfaces in the isis_run_dr() function). After switching the link to a P2P type, since u.p2p and u.bc form a union, and circuit->u.bc.snpa = "\000\000\000\000\000" and circuit->u.bc.run_dr_elect = "\001", this results in circuit->u.p2p.neighbor = 0x1000000000000. Consequently, the value of adj->sysid accesses a wild pointer, causing the current crash. The backtrace is as follows: (gdb) bt #0 0x00007fbd30e55fe1 in raise () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007fbd30f76b29 in core_handler (signo=11, siginfo=0x7ffc60b7a270, context=0x7ffc60b7a140) at ../lib/sigevent.c:261 #2 <signal handler called> #3 0x00007fbd30dddba4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #4 0x0000562aec46617f in isis_spf_run_lfa (area=0x562aee3a56d0, spftree=0x562aee3a51a0) at ../isisd/isis_lfa.c:2403 #5 0x0000562aec483854 in isis_run_spf_with_protection (area=0x562aee3a56d0, spftree=0x562aee3a51a0) at ../isisd/isis_spf.c:1891 #6 0x0000562aec483b05 in isis_run_spf_cb (thread=0x7ffc60b7b000) at ../isisd/isis_spf.c:1953 #7 0x00007fbd30f900bb in thread_call (thread=0x7ffc60b7b000) at ../lib/thread.c:1990 #8 0x00007fbd30f2897b in frr_run (master=0x562aee0833c0) at ../lib/libfrr.c:1198 #9 0x0000562aec454d6d in main (argc=5, argv=0x7ffc60b7b228, envp=0x7ffc60b7b258) at ../isisd/isis_main.c:273 (gdb) f 4 #4 0x0000562aec46617f in isis_spf_run_lfa (area=0x562aee3a56d0, spftree=0x562aee3a51a0) at ../isisd/isis_lfa.c:2403 2403 ../isisd/isis_lfa.c: No such file or directory. (gdb) p circuit->u.p2p.neighbor $1 = (struct isis_adjacency *) 0x1000000000000 (gdb) p adj->sysid Cannot access memory at address 0x1000000000006 (gdb) p circuit->u.bc $2 = {snpa = "\000\000\000\000\000", run_dr_elect = "\001", t_run_dr = {0x0, 0x0}, t_send_lan_hello = {0x0, 0x0}, adjdb = {0x0, 0x0}, lan_neighs = {0x0, 0x0}, is_dr = "\000", l1_desig_is = "\000\000\000\000\000\000", l2_desig_is = "\000\000\000\000\000\000", t_refresh_pseudo_lsp = {0x0, 0x0}} (gdb) The backtrace provided above pertains to version 8.5.4, but it seems that the same issue exists in the code of the master branch as well. Signed-off-by: baozhen-H3C <bao.zhen@h3c.com>
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The following ASAN issue has been observed: > ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000acba4 at pc 0x55910c5694d0 bp 0x7ffe3a8ac850 sp 0x7ffe3a8ac840 > READ of size 4 at 0x6160000acba4 thread T0 > #0 0x55910c5694cf in ctx_info_from_zns zebra/zebra_dplane.c:3315 > #1 0x55910c569696 in dplane_ctx_ns_init zebra/zebra_dplane.c:3331 > #2 0x55910c56bf61 in dplane_ctx_nexthop_init zebra/zebra_dplane.c:3680 > #3 0x55910c5711ca in dplane_nexthop_update_internal zebra/zebra_dplane.c:4490 > #4 0x55910c571c5c in dplane_nexthop_delete zebra/zebra_dplane.c:4717 > #5 0x55910c61e90e in zebra_nhg_uninstall_kernel zebra/zebra_nhg.c:3413 > #6 0x55910c615d8a in zebra_nhg_decrement_ref zebra/zebra_nhg.c:1919 > #7 0x55910c6404db in route_entry_update_nhe zebra/zebra_rib.c:454 > #8 0x55910c64c904 in rib_re_nhg_free zebra/zebra_rib.c:2822 > #9 0x55910c655be2 in rib_unlink zebra/zebra_rib.c:4212 > #10 0x55910c6430f9 in zebra_rtable_node_cleanup zebra/zebra_rib.c:968 > #11 0x7f26f275b8a9 in route_node_free lib/table.c:75 > #12 0x7f26f275bae4 in route_table_free lib/table.c:111 > #13 0x7f26f275b749 in route_table_finish lib/table.c:46 > #14 0x55910c65db17 in zebra_router_free_table zebra/zebra_router.c:191 > #15 0x55910c65dfb5 in zebra_router_terminate zebra/zebra_router.c:244 > #16 0x55910c4f40db in zebra_finalize zebra/main.c:249 > #17 0x7f26f2777108 in event_call lib/event.c:2011 > #18 0x7f26f264180e in frr_run lib/libfrr.c:1212 > #19 0x55910c4f49cb in main zebra/main.c:531 > #20 0x7f26f2029d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 > #21 0x7f26f2029e3f in __libc_start_main_impl ../csu/libc-start.c:392 > #22 0x55910c4b0114 in _start (/usr/lib/frr/zebra+0x1ae114) It happens with FRR using the kernel. During shutdown, the namespace identifier is attempted to be obtained by zebra, in an attempt to prepare zebra dataplane nexthop messages. Fix this by accessing the ns structure. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com> (cherry picked from commit 7ae70eb)
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Nov 15, 2024
Fix the display of the local label in show bgp. > r1# show bgp ipv4 labeled-unicast 172.16.2.2/32 > BGP routing table entry for 172.16.2.2/32, version 2 > Local label: 16 <---- MISSING > Paths: (1 available, best #1, table default, vrf (null)) > Advertised to non peer-group peers: > 192.168.1.2 > 65501 > 192.168.1.2 from 192.168.1.2 (172.16.2.2) > Origin IGP, metric 0, valid, external, best (First path received) > Remote label: 3 > Last update: Fri Oct 25 17:55:45 2024 Fixes: 67f67ba ("bgpd: Drop label_ntop/label_pton functions") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit e7b3276)
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… the neighbor status remains UP Test Scenario: RouterA and RouterB are in the same routing domain and have configured a P2P link. RouterA is configured with "is-type level-1" while RouterB is configured with "is-type level-1-2". They establish a level-1 UP neighborship. In this scenario, we expect that when RouterB's configuration is switched to "is-type level-2-only", the neighborship status on both RouterA and RouterB would be non-UP. However, RouterB still shows the neighbor as UP. Upon receiving a P2P Hello packet, the function "process_p2p_hello" is invoked. According to the ISO/IEC 10589 protocol specification, section 8.2.5.2 a) and tables 5 and 7, if the "iih->circ_type" of the neighbor's hello packet does not match one's own "circuit->is_type," we may choose to take no action. When establishing a neighborship for the first time, the neighbor's status can remain in the "Initializing" state. However, if the neighborship has already been established and one's own "circuit->is_type" changes, the neighbor's UP status cannot be reset. Therefore, when processing P2P Hello packets, we should be cognizant of changes in our own link adjacency type. Topotest has identified a core issue during testing. (gdb) bt "#0 0xb7efe579 in __kernel_vsyscall () \#1 0xb79f62f7 in ?? () \#2 0xbf981dd0 in ?? () \#3 <signal handler called> \#4 0xb79f7722 in ?? () \#5 0xb7ed8634 in _DYNAMIC () from /home/z15467/isis_core/usr/lib/i386-linux-gnu/frr/libfrr.so.0.0.0 \#6 0x0001003c in ?? () \#7 0x00010000 in ?? () \#8 0xb7df3322 in _frr_mtx_lock (mutex=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/frr_pthread.h:255 \#9 event_timer_remain_msec (thread=0x10000) at ../lib/event.c:734 \#10 event_timer_remain_msec (thread=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/event.c:727 \#11 0x004fb4aa in _send_hello_sched (circuit=<optimized out>, threadp=0x2189de0, level=1, delay=<optimized out>) at ../isisd/isis_pdu.c:2116 \#12 0x004e8dbc in isis_circuit_up (circuit=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../isisd/isis_circuit.c:734 \#13 0x004ea8f7 in isis_csm_state_change (event=<optimized out>, circuit=<optimized out>, arg=<optimized out>) at ../isisd/isis_csm.c:98 \#14 0x004ea23f in isis_circuit_circ_type_set (circuit=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, circ_type=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../isisd/isis_circuit.c:1578 \#15 0x0053aefa in lib_interface_isis_network_type_modify (args=<optimized out>) at ../isisd/isis_nb_config.c:4190 \#16 0xb7dbcc8d in nb_callback_modify (errmsg_len=8192, errmsg=0xbf982afc "", resource=0x2186220, dnode=<optimized out>, event=NB_EV_APPLY, nb_node=0x1fafe70, context=<optimized out>) at ../lib/northbound.c:1550 \#17 nb_callback_configuration (context=<optimized out>, event=NB_EV_APPLY, change=<optimized out>, errmsg=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, errmsg_len=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/northbound.c:1900 \#18 0xb7dbd646 in nb_transaction_process (errmsg_len=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, errmsg=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, transaction=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, event=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/northbound.c:2028 \#19 nb_candidate_commit_apply (transaction=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, save_transaction=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, transaction_id=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, errmsg=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, errmsg_len=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/northbound.c:1368 \#20 0xb7dbdd68 in nb_candidate_commit (context=..., candidate=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, save_transaction=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, comment=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, transaction_id=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, errmsg=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, errmsg_len=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/northbound.c:1401 \#21 0xb7dc0cff in nb_cli_classic_commit (vty=vty@entry=0x21d6940) at ../lib/northbound_cli.c:57 \#22 0xb7dc0f46 in nb_cli_apply_changes_internal (vty=vty@entry=0x21d6940, xpath_base=xpath_base@entry=0xbf986b7c "/frr-interface:lib/interface[name='r5-eth0']", clear_pending=clear_pending@entry=false) at ../lib/northbound_cli.c:184 \#23 0xb7dc130b in nb_cli_apply_changes (vty=<optimized out>, xpath_base_fmt=<optimized out>) at ../lib/northbound_cli.c:240 \#24 0x00542c1d in isis_network_magic (self=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, argc=<optimized out>, argv=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, no=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, vty=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../isisd/isis_cli.c:3101 \#25 isis_network (self=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, vty=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, argc=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, argv=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ./isisd/isis_cli_clippy.c:5499 \#26 0xb7d6d8f1 in cmd_execute_command_real (vline=vline@entry=0x219afa0, vty=vty@entry=0x21d6940, cmd=cmd@entry=0x0, up_level=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/command.c:1003 \#27 0xb7d6d9e0 in cmd_execute_command (vline=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, vty=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, cmd=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, vtysh=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/command.c:1061 \#28 0xb7d6dc60 in cmd_execute (vty=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, cmd=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, matched=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, vtysh=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/command.c:1228 \#29 0xb7dfb58a in vty_command (vty=vty@entry=0x21d6940, buf=0x21e0ff0 ' ' <repeats 12 times>, "isis network point-to-point") at ../lib/vty.c:625 \#30 0xb7dfc560 in vty_execute (vty=vty@entry=0x21d6940) at ../lib/vty.c:1388 \#31 0xb7dfdc8d in vtysh_read (thread=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/vty.c:2400 \#32 0xb7df4d47 in event_call (thread=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../lib/event.c:2019 \#33 0xb7d9a831 in frr_run (master=<optimized out>) at ../lib/libfrr.c:1232 \#34 0x004e4758 in main (argc=7, argv=0xbf989a24, envp=0xbf989a44) at ../isisd/isis_main.c:354 (gdb) f 9 \#9 event_timer_remain_msec (thread=0x10000) at ../lib/event.c:734 734 ../lib/event.c: No such file or directory. (gdb) p pthread No symbol "pthread" in current context. (gdb) p thread $1 = (struct event *) 0x10000 When LAN links and P2P links share the` circuit->u` of a neighbor, if one link is no longer in use and the union is not cleared, the other link is unable to pass the non-empty check, resulting in accessing an invalid pointer. Unfortunately, for non-DIS devices in LAN links, `circuit->u.bc.run_dr_elect[x]` is essentially always 1, but in `isis_circuit_down()`,` circuit->u.bc.run_dr_elect[x] `will not be cleared because `circuit->u.bc.is_dr[x]` is always 0. Consequently, when switching to a P2P link, `isis_circuit_circ_type_set()` does not reset the link in a non-C_STATE_UP state, leading to subsequent accesses of `circuit->u.p2p.t_send_p2p_hello` resulting in a non-empty yet invalid address. I believe that in `isis_circuit_down()`, the LAN link should unconditionally clear `circuit->u.bc.run_dr_elect[x]`. Signed-off-by: zhou-run <zhou.run@h3c.com>
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When receiving an SRv6 BGP update, the nexthop tracking is used to find out the reachability of the BGP update. > # show bgp ipv6 vpn fd00:200::/64 > Paths: (1 available, best #1) > [..] > 4:4::4:4 from 4:4::4:4 (4.4.4.4) > Origin incomplete, metric 0, localpref 100, valid, internal, best (First path received) > Extended Community: RT:52:100 > Remote label: 16 > Remote SID: 2001:db8:f4:: > Last update: Mon Mar 11 11:50:04 2024 The IPv6 address used is the "Remote SID". Actually, this value is incomplete. Remote SID stands for the attribute value received in BGP, while the label value determines a complement of SRv6 SID value. The transposition technique authorises that in BGP, and in the above case, the incoming BGP update has used the transposition length. When there is a transposition in the SID attribute available, use the real SID address. The nexthop tracking will use that forged address. > # show bgp nexthop > Current BGP nexthop cache: > 4:4::4:4 valid [IGP metric 30], #paths 0, peer 4:4::4:4 > gate fe80::dced:1ff:fed6:878c, if ntfp3 > Last update: Mon Mar 11 11:50:02 2024 > 2001:db8:f4:1:: valid [IGP metric 0], #paths 2 > gate fe80::dced:1ff:fed6:878c, if ntfp3 Fixes: 26c747e ("bgpd: extend make_prefix to form srv6-based prefix") Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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There is a race condition with addpath withdrawal. The withdrawal never happens if it was request when coalesce timer running. It can be demonstrated by adding to bgp_snmp_bgp4v2mib/rr/bgpd.conf: > router bgp 65004 > + coalesce-time 10000 But it also happens in other conditions. For example, when using "vtysh -f" to load the configuration. It results in having two identical paths but with different addpath on r2: > r2# sh bgp ipv4 10.0.0.0/31 > BGP routing table entry for 10.0.0.0/31, version 3 > Paths: (3 available, best #1, table default) > 65004 > 192.168.12.4 from 192.168.12.4 (192.168.12.4) > Origin IGP, metric 1, valid, external, multipath, best (AS Path) > AddPath ID: RX 0, TX-All 2 TX-Best-Per-AS 0 TX-Best-Selected 0 > Advertised to: 192.168.12.4 > Last update: Thu Sep 12 16:13:59 2024 > 65004 > 192.168.12.4 from 192.168.12.4 (192.168.12.4) > Origin IGP, metric 1, valid, external, multipath > AddPath ID: RX 3, TX-All 4 TX-Best-Per-AS 0 TX-Best-Selected 0 > Advertised to: 192.168.12.4 > Last update: Thu Sep 12 16:13:59 2024 The first path has been created first but should be withdrawn later. Withdraw the stale addpath even the coalesce timer is running. Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Dec 19, 2024
…utes detail` If we have a route-map that sets some attributes e.g. community or large-community, and the route-map is applied for outgoing direction, everything is fine, but we missed the point that `advertised-routes detail` was not using the applied attributes to display and instead it uses what is received from the peer (original). Let's fix this, and use what's already applied (advertise attributes), and we can now see: ``` route-map r3 permit 10 match ip address prefix-list p1 set community 65001:65002 set extcommunity bandwidth 100 set large-community 65001:65002:65003 exit ! ... address-family ipv4 unicast neighbor 192.168.2.3 route-map r3 out exit-address-family ... ``` The output: ``` r2# show bgp ipv4 neighbors 192.168.2.3 advertised-routes detail BGP table version is 1, local router ID is 192.168.2.2, vrf id 0 Default local pref 100, local AS 65002 BGP routing table entry for 10.10.10.1/32, version 1 Paths: (1 available, best #1, table default) Advertised to non peer-group peers: 192.168.1.1 192.168.2.3 65001 0.0.0.0 from 192.168.1.1 (192.168.1.1) Origin IGP, valid, external, best (First path received) Community: 65001:65002 Extended Community: LB:65002:12500000 (100.000 Mbps) Large Community: 65001:65002:65003 Last update: Thu Dec 19 17:00:40 2024 ``` Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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…utes detail` If we have a route-map that sets some attributes e.g. community or large-community, and the route-map is applied for outgoing direction, everything is fine, but we missed the point that `advertised-routes detail` was not using the applied attributes to display and instead it uses what is received from the peer (original). Let's fix this, and use what's already applied (advertise attributes), and we can now see: ``` route-map r3 permit 10 match ip address prefix-list p1 set community 65001:65002 set extcommunity bandwidth 100 set large-community 65001:65002:65003 exit ! ... address-family ipv4 unicast neighbor 192.168.2.3 route-map r3 out exit-address-family ... ``` The output: ``` r2# show bgp ipv4 neighbors 192.168.2.3 advertised-routes detail BGP table version is 1, local router ID is 192.168.2.2, vrf id 0 Default local pref 100, local AS 65002 BGP routing table entry for 10.10.10.1/32, version 1 Paths: (1 available, best #1, table default) Advertised to non peer-group peers: 192.168.1.1 192.168.2.3 65001 0.0.0.0 from 192.168.1.1 (192.168.1.1) Origin IGP, valid, external, best (First path received) Community: 65001:65002 Extended Community: LB:65002:12500000 (100.000 Mbps) Large Community: 65001:65002:65003 Last update: Thu Dec 19 17:00:40 2024 ``` Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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First schwag at getting the show bgp commands under control in this crazy crazy world