tests: all_protocol_startup: break BGP with wrong AS for github check… #13
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… test Signed-off-by: Martin Winter <[email protected]>
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RodrigoMNardi
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Jan 15, 2024
Fix a crash when re-adding a rpki server: > r2# sh run bgpd > [...] > rpki > rpki retry_interval 5 > rpki cache 192.0.2.1 15432 preference 1 > exit > [...] > r2# conf t > r2(config)# rpki > r2(config-rpki)# no rpki cache 192.0.2.1 15432 preference 1 > r2(config-rpki)# do show rpki cache-connection > Cannot find a connected group. > r2(config-rpki)# rpki cache 192.0.2.1 15432 preference 1 > r2(config-rpki)# do show rpki cache-connection > vtysh: error reading from bgpd: Resource temporarily unavailable (11)Warning: closing connection to bgpd because of an I/O error! > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007f3fd2d16e57 in core_handler (signo=11, siginfo=0x7ffffd5931b0, context=0x7ffffd593080) at lib/sigevent.c:246 > #2 <signal handler called> > #3 0x00007f3fd26926b4 in tommy_list_head (list=0x2e322e302e323931) at /home/lscalber/git/rtrlib/./third-party/tommyds/tommylist.h:125 > #4 0x00007f3fd2693812 in rtr_mgr_get_first_group (config=0x55fbf31d7f00) at /home/lscalber/git/rtrlib/rtrlib/rtr_mgr.c:409 > #5 0x00007f3fd2ebef59 in get_connected_group () at bgpd/bgp_rpki.c:718 > #6 0x00007f3fd2ec0b39 in show_rpki_cache_connection_magic (self=0x7f3fd2ec69c0 <show_rpki_cache_connection_cmd>, vty=0x55fbf31f9ef0, argc=3, argv=0x55fbf31f99d0, uj=0x0) > # at bgpd/bgp_rpki.c:1575 > #7 0x00007f3fd2ebd4da in show_rpki_cache_connection (self=0x7f3fd2ec69c0 <show_rpki_cache_connection_cmd>, vty=0x55fbf31f9ef0, argc=3, argv=0x55fbf31f99d0) at ./bgpd/bgp_rpki_clippy.c:648 > #8 0x00007f3fd2c8a142 in cmd_execute_command_real (vline=0x55fbf31f9990, vty=0x55fbf31f9ef0, cmd=0x0, up_level=0) at lib/command.c:978 > #9 0x00007f3fd2c8a25c in cmd_execute_command (vline=0x55fbf31e5260, vty=0x55fbf31f9ef0, cmd=0x0, vtysh=0) at lib/command.c:1028 > #10 0x00007f3fd2c8a7f1 in cmd_execute (vty=0x55fbf31f9ef0, cmd=0x55fbf3200680 "do show rpki cache-connection ", matched=0x0, vtysh=0) at lib/command.c:1203 > #11 0x00007f3fd2d36548 in vty_command (vty=0x55fbf31f9ef0, buf=0x55fbf3200680 "do show rpki cache-connection ") at lib/vty.c:594 > #12 0x00007f3fd2d382e1 in vty_execute (vty=0x55fbf31f9ef0) at lib/vty.c:1357 > #13 0x00007f3fd2d3a519 in vtysh_read (thread=0x7ffffd5963c0) at lib/vty.c:2365 > #14 0x00007f3fd2d2faf6 in event_call (thread=0x7ffffd5963c0) at lib/event.c:1974 > #15 0x00007f3fd2cc238e in frr_run (master=0x55fbf2a0cd60) at lib/libfrr.c:1214 > #16 0x000055fbf073de40 in main (argc=9, argv=0x7ffffd596618) at bgpd/bgp_main.c:510 Signed-off-by: Louis Scalbert <[email protected]>
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rzalamena
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Jul 25, 2024
Fix the following crash when logging from rpki_create_socket(): > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007f6e21723798 in core_handler (signo=6, siginfo=0x7f6e1e502ef0, context=0x7f6e1e502dc0) at lib/sigevent.c:248 > #2 <signal handler called> > #3 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 > #4 0x00007f6e2144e537 in __GI_abort () at abort.c:79 > #5 0x00007f6e2176348e in _zlog_assert_failed (xref=0x7f6e2180c920 <_xref.16>, extra=0x0) at lib/zlog.c:670 > #6 0x00007f6e216b1eda in rcu_read_lock () at lib/frrcu.c:294 > #7 0x00007f6e21762da8 in vzlog_notls (xref=0x0, prio=2, fmt=0x7f6e217afe50 "%s:%d: %s(): assertion (%s) failed", ap=0x7f6e1e504248) at lib/zlog.c:425 > #8 0x00007f6e217632fb in vzlogx (xref=0x0, prio=2, fmt=0x7f6e217afe50 "%s:%d: %s(): assertion (%s) failed", ap=0x7f6e1e504248) at lib/zlog.c:627 > #9 0x00007f6e217621f5 in zlog (prio=2, fmt=0x7f6e217afe50 "%s:%d: %s(): assertion (%s) failed") at lib/zlog.h:73 > #10 0x00007f6e21763596 in _zlog_assert_failed (xref=0x7f6e2180c920 <_xref.16>, extra=0x0) at lib/zlog.c:687 > #11 0x00007f6e216b1eda in rcu_read_lock () at lib/frrcu.c:294 > #12 0x00007f6e21762da8 in vzlog_notls (xref=0x7f6e21a50040 <_xref.68>, prio=4, fmt=0x7f6e21a4999f "getaddrinfo: debug", ap=0x7f6e1e504878) at lib/zlog.c:425 > #13 0x00007f6e217632fb in vzlogx (xref=0x7f6e21a50040 <_xref.68>, prio=4, fmt=0x7f6e21a4999f "getaddrinfo: debug", ap=0x7f6e1e504878) at lib/zlog.c:627 > #14 0x00007f6e21a3f774 in zlog_ref (xref=0x7f6e21a50040 <_xref.68>, fmt=0x7f6e21a4999f "getaddrinfo: debug") at ./lib/zlog.h:84 > #15 0x00007f6e21a451b2 in rpki_create_socket (_cache=0x55729149cc30) at bgpd/bgp_rpki.c:1337 > #16 0x00007f6e2120e7b7 in tr_tcp_open (tr_socket=0x5572914d1520) at rtrlib/rtrlib/transport/tcp/tcp_transport.c:111 > #17 0x00007f6e2120e212 in tr_open (socket=0x5572914b5e00) at rtrlib/rtrlib/transport/transport.c:16 > #18 0x00007f6e2120faa2 in rtr_fsm_start (rtr_socket=0x557290e17180) at rtrlib/rtrlib/rtr/rtr.c:130 > #19 0x00007f6e218b7ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 > #20 0x00007f6e21527a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 rpki_create_socket() is a hook function called from the rtrlib library. The issue arises because rtrlib initiates its own separate pthread in which it runs the hook, which does not establish an FRR RCU context. Consequently, this leads to failures in the logging mechanism that relies on RCU. Initialize a new FRR pthread context from the rtrlib pthread with a valid RCU context to allow logging from the rpki_create_socket() and dependent functions. Link: FRRouting/frr#15260 Fixes: a951752 ("bgpd: create cache server socket in vrf") Signed-off-by: Louis Scalbert <[email protected]>
rzalamena
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Jul 25, 2024
router bgp 65001
no bgp ebgp-requires-policy
neighbor 192.168.1.2 remote-as external
neighbor 192.168.1.2 timers 3 10
address-family ipv4 unicast
neighbor 192.168.1.2 route-map r2 in
exit-address-family
!
ip prefix-list p1 seq 5 permit 172.16.255.31/32
!
route-map r2 permit 10
match ip address prefix-list p1
set as-path exclude 65003
route-map r2 permit 20
set as-path exclude all
!
we make the following commands
bgp as-path access-list FIRST permit ^65
bgp as-path access-list SECOND permit 2
route-map r2 permit 6
set as-path exclude as-path-access-list SECOND
and then
no bgp as-path access-list SECOND permit 2
clear bgp *
we have the following crash in bgp
Stack trace of thread 536083:
#0 0x00007f87f8aacfe1 raise (libpthread.so.0 + 0x12fe1)
#1 0x00007f87f8cf6870 core_handler (libfrr.so.0 +
0xf6870)
#2 0x00007f87f8aad140 __restore_rt (libpthread.so.0 +
0x13140)
#3 0x00007f87f89a5122 __GI___regexec (libc.so.6 +
0xdf122)
#4 0x000055d7f198b4a7 aspath_filter_exclude_acl (bgpd +
0x2054a7)
#5 0x000055d7f1902187 route_set_aspath_exclude (bgpd +
0x17c187)
#6 0x00007f87f8ce54b0 route_map_apply_ext (libfrr.so.0
+ 0xe54b0)
#7 0x000055d7f18da925 bgp_input_modifier (bgpd +
0x154925)
#8 0x000055d7f18e0647 bgp_update (bgpd + 0x15a647)
#9 0x000055d7f18e4772 bgp_nlri_parse_ip (bgpd +
0x15e772)
#10 0x000055d7f18c38ae bgp_nlri_parse (bgpd + 0x13d8ae)
#11 0x000055d7f18c6b7a bgp_update_receive (bgpd +
0x140b7a)
#12 0x000055d7f18c8ff3 bgp_process_packet (bgpd +
0x142ff3)
#13 0x00007f87f8d0dce0 thread_call (libfrr.so.0 +
0x10dce0)
#14 0x00007f87f8cacb28 frr_run (libfrr.so.0 + 0xacb28)
#15 0x000055d7f18435da main (bgpd + 0xbd5da)
#16 0x00007f87f88e9d0a __libc_start_main (libc.so.6 +
0x23d0a)
#17 0x000055d7f18415fa _start (bgpd + 0xbb5fa)
analysis
crash is due to the fact that there were always a pointer from
as-path exclude to deleted as-path access list.
fix
we add a backpointer mechanism to manage the dependency beetween
as-path access-list and aspath exclude.
Signed-off-by: Francois Dumontet <[email protected]>
rzalamena
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Jul 25, 2024
Fix a couple of memory leaks spotted by Address Sanitizer:
```
=================================================================
==970960==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 592 byte(s) in 2 object(s) allocated from:
#0 0xfeb98b28a4b4 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154
#1 0xfeb98ae572f8 in qcalloc lib/memory.c:105
#2 0xfeb98ae76138 in srv6_locator_chunk_alloc lib/srv6.c:138
#3 0xb7f3c8508fa0 in ensure_vrf_tovpn_sid_per_vrf bgpd/bgp_mplsvpn.c:831
#4 0xb7f3c8509494 in ensure_vrf_tovpn_sid bgpd/bgp_mplsvpn.c:866
#5 0xb7f3c85028a8 in vpn_leak_postchange bgpd/bgp_mplsvpn.h:289
#6 0xb7f3c851a7c0 in vpn_leak_postchange_all bgpd/bgp_mplsvpn.c:3769
#7 0xb7f3c86f6ef0 in bgp_zebra_process_srv6_locator_chunk bgpd/bgp_zebra.c:3378
#8 0xfeb98afa6e14 in zclient_read lib/zclient.c:4608
#9 0xfeb98af3d684 in event_call lib/event.c:2011
#10 0xfeb98ae2788c in frr_run lib/libfrr.c:1217
#11 0xb7f3c83cbf0c in main bgpd/bgp_main.c:545
#12 0xfeb98a8973f8 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#13 0xfeb98a8974c8 in __libc_start_main_impl ../csu/libc-start.c:392
#14 0xb7f3c83c832c in _start (/usr/lib/frr/bgpd+0x2d832c)
Direct leak of 32 byte(s) in 2 object(s) allocated from:
#0 0xfeb98b28a4b4 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154
#1 0xfeb98ae572f8 in qcalloc lib/memory.c:105
#2 0xb7f3c8508fd8 in ensure_vrf_tovpn_sid_per_vrf bgpd/bgp_mplsvpn.c:832
#3 0xb7f3c8509494 in ensure_vrf_tovpn_sid bgpd/bgp_mplsvpn.c:866
#4 0xb7f3c85028a8 in vpn_leak_postchange bgpd/bgp_mplsvpn.h:289
#5 0xb7f3c851a7c0 in vpn_leak_postchange_all bgpd/bgp_mplsvpn.c:3769
#6 0xb7f3c86f6ef0 in bgp_zebra_process_srv6_locator_chunk bgpd/bgp_zebra.c:3378
#7 0xfeb98afa6e14 in zclient_read lib/zclient.c:4608
#8 0xfeb98af3d684 in event_call lib/event.c:2011
#9 0xfeb98ae2788c in frr_run lib/libfrr.c:1217
#10 0xb7f3c83cbf0c in main bgpd/bgp_main.c:545
#11 0xfeb98a8973f8 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#12 0xfeb98a8974c8 in __libc_start_main_impl ../csu/libc-start.c:392
#13 0xb7f3c83c832c in _start (/usr/lib/frr/bgpd+0x2d832c)
Direct leak of 32 byte(s) in 2 object(s) allocated from:
#0 0xfeb98b28a4b4 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154
#1 0xfeb98ae572f8 in qcalloc lib/memory.c:105
#2 0xb7f3c8506520 in vpn_leak_zebra_vrf_sid_update_per_vrf bgpd/bgp_mplsvpn.c:439
#3 0xb7f3c85068d8 in vpn_leak_zebra_vrf_sid_update bgpd/bgp_mplsvpn.c:459
#4 0xb7f3c86f6aec in bgp_ifp_create bgpd/bgp_zebra.c:3345
#5 0xfeb98adfd3f8 in hook_call_if_real lib/if.c:48
#6 0xfeb98adfe750 in if_new_via_zapi lib/if.c:181
#7 0xfeb98af98084 in zclient_interface_add lib/zclient.c:2592
#8 0xfeb98afa6d24 in zclient_read lib/zclient.c:4606
#9 0xfeb98af3d684 in event_call lib/event.c:2011
#10 0xfeb98ae2788c in frr_run lib/libfrr.c:1217
#11 0xb7f3c83cbf0c in main bgpd/bgp_main.c:545
#12 0xfeb98a8973f8 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#13 0xfeb98a8974c8 in __libc_start_main_impl ../csu/libc-start.c:392
#14 0xb7f3c83c832c in _start (/usr/lib/frr/bgpd+0x2d832c)
SUMMARY: AddressSanitizer: 656 byte(s) leaked in 6 allocation(s).
```
Signed-off-by: Carmine Scarpitta <[email protected]>
rzalamena
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Jul 25, 2024
> ==2334217==ERROR: AddressSanitizer: heap-use-after-free on address 0x61000001d0a0 at pc 0x563828c8de6f bp 0x7fffbdaee560 sp 0x7fffbdaee558 > READ of size 1 at 0x61000001d0a0 thread T0 > #0 0x563828c8de6e in prefix_sid_cmp isisd/isis_spf.c:187 > #1 0x7f84b8204f71 in hash_get lib/hash.c:142 > #2 0x7f84b82055ec in hash_lookup lib/hash.c:184 > #3 0x563828c8e185 in isis_spf_prefix_sid_lookup isisd/isis_spf.c:209 > #4 0x563828c90642 in isis_spf_add2tent isisd/isis_spf.c:598 > #5 0x563828c91cd0 in process_N isisd/isis_spf.c:824 > #6 0x563828c93852 in isis_spf_process_lsp isisd/isis_spf.c:1041 > #7 0x563828c98dde in isis_spf_loop isisd/isis_spf.c:1821 > #8 0x563828c998de in isis_run_spf isisd/isis_spf.c:1983 > #9 0x563828c99c7b in isis_run_spf_with_protection isisd/isis_spf.c:2009 > #10 0x563828c9a60d in isis_run_spf_cb isisd/isis_spf.c:2090 > #11 0x7f84b835c72d in event_call lib/event.c:2011 > #12 0x7f84b8236d93 in frr_run lib/libfrr.c:1217 > #13 0x563828c21918 in main isisd/isis_main.c:346 > #14 0x7f84b7e4fd09 in __libc_start_main ../csu/libc-start.c:308 > #15 0x563828c20df9 in _start (/usr/lib/frr/isisd+0xf5df9) > > 0x61000001d0a0 is located 96 bytes inside of 184-byte region [0x61000001d040,0x61000001d0f8) > freed by thread T0 here: > #0 0x7f84b88a9b6f in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:123 > #1 0x7f84b8263bae in qfree lib/memory.c:130 > #2 0x563828c8e433 in isis_vertex_del isisd/isis_spf.c:249 > #3 0x563828c91c95 in process_N isisd/isis_spf.c:811 > #4 0x563828c93852 in isis_spf_process_lsp isisd/isis_spf.c:1041 > #5 0x563828c98dde in isis_spf_loop isisd/isis_spf.c:1821 > #6 0x563828c998de in isis_run_spf isisd/isis_spf.c:1983 > #7 0x563828c99c7b in isis_run_spf_with_protection isisd/isis_spf.c:2009 > #8 0x563828c9a60d in isis_run_spf_cb isisd/isis_spf.c:2090 > #9 0x7f84b835c72d in event_call lib/event.c:2011 > #10 0x7f84b8236d93 in frr_run lib/libfrr.c:1217 > #11 0x563828c21918 in main isisd/isis_main.c:346 > #12 0x7f84b7e4fd09 in __libc_start_main ../csu/libc-start.c:308 > > previously allocated by thread T0 here: > #0 0x7f84b88aa037 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154 > #1 0x7f84b8263a6c in qcalloc lib/memory.c:105 > #2 0x563828c8e262 in isis_vertex_new isisd/isis_spf.c:225 > #3 0x563828c904db in isis_spf_add2tent isisd/isis_spf.c:588 > #4 0x563828c91cd0 in process_N isisd/isis_spf.c:824 > #5 0x563828c93852 in isis_spf_process_lsp isisd/isis_spf.c:1041 > #6 0x563828c98dde in isis_spf_loop isisd/isis_spf.c:1821 > #7 0x563828c998de in isis_run_spf isisd/isis_spf.c:1983 > #8 0x563828c99c7b in isis_run_spf_with_protection isisd/isis_spf.c:2009 > #9 0x563828c9a60d in isis_run_spf_cb isisd/isis_spf.c:2090 > #10 0x7f84b835c72d in event_call lib/event.c:2011 > #11 0x7f84b8236d93 in frr_run lib/libfrr.c:1217 > #12 0x563828c21918 in main isisd/isis_main.c:346 > #13 0x7f84b7e4fd09 in __libc_start_main ../csu/libc-start.c:308 > > SUMMARY: AddressSanitizer: heap-use-after-free isisd/isis_spf.c:187 in prefix_sid_cmp > Shadow bytes around the buggy address: > 0x0c207fffb9c0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 > 0x0c207fffb9d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa > 0x0c207fffb9e0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 > 0x0c207fffb9f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa > 0x0c207fffba00: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd > =>0x0c207fffba10: fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd fa > 0x0c207fffba20: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 > 0x0c207fffba30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa > 0x0c207fffba40: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 > 0x0c207fffba50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa > 0x0c207fffba60: 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 > ==2334217==ABORTING Fixes: 2f7cc7b ("isisd: detect Prefix-SID collisions and handle them appropriately") Signed-off-by: Louis Scalbert <[email protected]>
rzalamena
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this pull request
Jul 25, 2024
Fix a crash when doing "show isis database detail json" in isis_srv6_topo1 topotest. > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007fad89524e2c in core_handler (signo=6, siginfo=0x7ffe86a4b8b0, context=0x7ffe86a4b780) 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 0x00007fad8904e537 in __GI_abort () at abort.c:79 > #5 0x00007fad8904e40f in __assert_fail_base (fmt=0x7fad891c5688 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7fad8a3e70e8 "json_object_get_type(jso) == json_type_object", > file=0x7fad8a3e7064 "./json_object.c", line=590, function=<optimized out>) at assert.c:92 > #6 0x00007fad8905d662 in __GI___assert_fail (assertion=0x7fad8a3e70e8 "json_object_get_type(jso) == json_type_object", file=0x7fad8a3e7064 "./json_object.c", line=590, > function=0x7fad8a3e7440 "json_object_object_add_ex") at assert.c:101 > #7 0x00007fad8a3dfe93 in json_object_object_add_ex () from /lib/x86_64-linux-gnu/libjson-c.so.5 > #8 0x000055708e3f8f7f in format_subsubtlv_srv6_sid_structure (sid_struct=0x602000172b70, buf=0x0, json=0x6040000a21d0, indent=6) at isisd/isis_tlvs.c:2880 > #9 0x000055708e3f9acb in isis_format_subsubtlvs (subsubtlvs=0x602000172b50, buf=0x0, json=0x6040000a21d0, indent=6) at isisd/isis_tlvs.c:3022 > #10 0x000055708e3eefb0 in format_item_ext_subtlvs (exts=0x614000047440, buf=0x0, json=0x6040000a2190, indent=2, mtid=2) at isisd/isis_tlvs.c:1313 > #11 0x000055708e3fd599 in format_item_extended_reach (mtid=2, i=0x60300015aed0, buf=0x0, json=0x6040000a1bd0, indent=0) at isisd/isis_tlvs.c:3763 > #12 0x000055708e40d46a in format_item (mtid=2, context=ISIS_CONTEXT_LSP, type=ISIS_TLV_MT_REACH, i=0x60300015aed0, buf=0x0, json=0x6040000a1bd0, indent=0) at isisd/isis_tlvs.c:6789 > #13 0x000055708e40d4fc in format_items_ (mtid=2, context=ISIS_CONTEXT_LSP, type=ISIS_TLV_MT_REACH, items=0x60600021d160, buf=0x0, json=0x6040000a1bd0, indent=0) at isisd/isis_tlvs.c:6804 > #14 0x000055708e40edbc in format_mt_items (context=ISIS_CONTEXT_LSP, type=ISIS_TLV_MT_REACH, m=0x6180000845d8, buf=0x0, json=0x6040000a1bd0, indent=0) at isisd/isis_tlvs.c:7147 > #15 0x000055708e4111e9 in format_tlvs (tlvs=0x618000084480, buf=0x0, json=0x6040000a1bd0, indent=0) at isisd/isis_tlvs.c:7572 > #16 0x000055708e4114ce in isis_format_tlvs (tlvs=0x618000084480, json=0x6040000a1bd0) at isisd/isis_tlvs.c:7613 > #17 0x000055708e36f167 in lsp_print_detail (lsp=0x612000058b40, vty=0x0, json=0x6040000a1bd0, dynhost=1 '\001', isis=0x60d00001f800) at isisd/isis_lsp.c:785 > #18 0x000055708e36f31f in lsp_print_all (vty=0x0, json=0x6040000a0490, head=0x61f000005488, detail=1 '\001', dynhost=1 '\001', isis=0x60d00001f800) at isisd/isis_lsp.c:820 > #19 0x000055708e4379fc in show_isis_database_lspdb_json (json=0x6040000a0450, area=0x61f000005480, level=0, lspdb=0x61f000005488, sysid_str=0x0, ui_level=1) at isisd/isisd.c:2683 > #20 0x000055708e437ef9 in show_isis_database_json (json=0x6040000a0310, sysid_str=0x0, ui_level=1, isis=0x60d00001f800) at isisd/isisd.c:2754 > #21 0x000055708e438357 in show_isis_database_common (vty=0x62e000060400, json=0x6040000a0310, sysid_str=0x0, ui_level=1, isis=0x60d00001f800) at isisd/isisd.c:2788 > #22 0x000055708e438591 in show_isis_database (vty=0x62e000060400, json=0x6040000a0310, sysid_str=0x0, ui_level=1, vrf_name=0x7fad89806300 <vrf_default_name> "default", all_vrf=false) > at isisd/isisd.c:2825 > #23 0x000055708e43891d in show_database (self=0x55708e5519c0 <show_database_cmd>, vty=0x62e000060400, argc=5, argv=0x6040000a02d0) at isisd/isisd.c:2855 > #24 0x00007fad893a9767 in cmd_execute_command_real (vline=0x60300015f220, vty=0x62e000060400, cmd=0x0, up_level=0) at lib/command.c:1002 > #25 0x00007fad893a9adc in cmd_execute_command (vline=0x60300015f220, vty=0x62e000060400, cmd=0x0, vtysh=0) at lib/command.c:1061 > #26 0x00007fad893aa728 in cmd_execute (vty=0x62e000060400, cmd=0x621000025900 "show isis database detail json ", matched=0x0, vtysh=0) at lib/command.c:1227 Note that prior to 2e670cd, there was no crash but only the last "srv6-sid-structure" was displayed. A "srv6-sid-structure" should be displayed for each "sid". This commit also fix this. Was: > "srv6-lan-endx-sid": [ > { > "sid": "fc00:0:1:1::", > "weight": 0, > "algorithm": "SPF", > "neighbor-id": "0000.0000.0002" > }, > { > "sid": "fc00:0:1:2::", > "weight": 0, > "algorithm": "SPF", > "neighbor-id": "0000.0000.0003" > } > ], > "srv6-sid-structure": { > "loc-block-len": 32, > "loc-node-len": 16, > "func-len": 16, > "arg-len": 0 > }, Now (srv6-sid-structure are identical but they are not always): > "srv6-lan-endx-sid": [ > { > "sid": "fc00:0:1:1::", > "algorithm": "SPF", > "neighbor-id": "0000.0000.0002", > "srv6-sid-structure": { > "loc-block-len": 32, > "loc-node-len": 16, > "func-len": 8, > "arg-len": 0 > }, > }, > { > "sid": "fc00:0:1:2::", > "algorithm": "SPF", > "neighbor-id": "0000.0000.0003", > "srv6-sid-structure": { > "loc-block-len": 32, > "loc-node-len": 16, > "func-len": 16, > "arg-len": 0 > }, > } > ], Fixes: 2e670cd ("isisd: fix display of srv6 subsubtlvs") Fixes: 648a158 ("isisd: Add SRv6 End.X SID to Sub-TLV format func") Signed-off-by: Louis Scalbert <[email protected]>
rzalamena
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Aug 7, 2024
Fix the following crash when pim options are (un)configured on an non-existent interface. > r1(config)# int fgljdsf > r1(config-if)# no ip pim unicast-bsm > vtysh: error reading from pimd: Connection reset by peer (104)Warning: closing connection to pimd because of an I/O error! > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007f70c8f32249 in core_handler (signo=11, siginfo=0x7fffff88e4f0, context=0x7fffff88e3c0) at lib/sigevent.c:258 > #2 <signal handler called> > #3 0x0000556cfdd9b16d in lib_interface_pim_address_family_unicast_bsm_modify (args=0x7fffff88f130) at pimd/pim_nb_config.c:1910 > #4 0x00007f70c8efdcb5 in nb_callback_modify (context=0x556d00032b60, nb_node=0x556cffeeb9b0, event=NB_EV_APPLY, dnode=0x556d00031670, resource=0x556d00032b48, errmsg=0x7fffff88f710 "", errmsg_len=8192) > at lib/northbound.c:1538 > #5 0x00007f70c8efe949 in nb_callback_configuration (context=0x556d00032b60, event=NB_EV_APPLY, change=0x556d00032b10, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:1888 > #6 0x00007f70c8efee82 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x556d00032b60, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:2016 > #7 0x00007f70c8efd658 in nb_candidate_commit_apply (transaction=0x556d00032b60, save_transaction=true, transaction_id=0x0, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:1356 > #8 0x00007f70c8efd78e in nb_candidate_commit (context=..., candidate=0x556cffeb0e80, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:1389 > #9 0x00007f70c8f03e58 in nb_cli_classic_commit (vty=0x556d00025a80) at lib/northbound_cli.c:51 > #10 0x00007f70c8f043f8 in nb_cli_apply_changes_internal (vty=0x556d00025a80, > xpath_base=0x7fffff893bb0 "/frr-interface:lib/interface[name='fgljdsf']/frr-pim:pim/address-family[address-family='frr-routing:ipv4']", clear_pending=false) at lib/northbound_cli.c:178 > #11 0x00007f70c8f0475d in nb_cli_apply_changes (vty=0x556d00025a80, xpath_base_fmt=0x556cfdde9fe0 "./frr-pim:pim/address-family[address-family='%s']") at lib/northbound_cli.c:234 > #12 0x0000556cfdd8298f in pim_process_no_unicast_bsm_cmd (vty=0x556d00025a80) at pimd/pim_cmd_common.c:3493 > #13 0x0000556cfddcf782 in no_ip_pim_ucast_bsm (self=0x556cfde40b20 <no_ip_pim_ucast_bsm_cmd>, vty=0x556d00025a80, argc=4, argv=0x556d00031500) at pimd/pim_cmd.c:4950 > #14 0x00007f70c8e942f0 in cmd_execute_command_real (vline=0x556d00032070, vty=0x556d00025a80, cmd=0x0, up_level=0) at lib/command.c:1002 > #15 0x00007f70c8e94451 in cmd_execute_command (vline=0x556d00032070, vty=0x556d00025a80, cmd=0x0, vtysh=0) at lib/command.c:1061 > #16 0x00007f70c8e9499f in cmd_execute (vty=0x556d00025a80, cmd=0x556d00030320 "no ip pim unicast-bsm", matched=0x0, vtysh=0) at lib/command.c:1227 > #17 0x00007f70c8f51e44 in vty_command (vty=0x556d00025a80, buf=0x556d00030320 "no ip pim unicast-bsm") at lib/vty.c:616 > #18 0x00007f70c8f53bdd in vty_execute (vty=0x556d00025a80) at lib/vty.c:1379 > #19 0x00007f70c8f55d59 in vtysh_read (thread=0x7fffff896600) at lib/vty.c:2374 > #20 0x00007f70c8f4b209 in event_call (thread=0x7fffff896600) at lib/event.c:2011 > #21 0x00007f70c8ed109e in frr_run (master=0x556cffdb4ea0) at lib/libfrr.c:1217 > #22 0x0000556cfdddec12 in main (argc=2, argv=0x7fffff896828, envp=0x7fffff896840) at pimd/pim_main.c:165 > (gdb) f 3 > #3 0x0000556cfdd9b16d in lib_interface_pim_address_family_unicast_bsm_modify (args=0x7fffff88f130) at pimd/pim_nb_config.c:1910 > 1910 pim_ifp->ucast_bsm_accept = > (gdb) list > 1905 case NB_EV_ABORT: > 1906 break; > 1907 case NB_EV_APPLY: > 1908 ifp = nb_running_get_entry(args->dnode, NULL, true); > 1909 pim_ifp = ifp->info; > 1910 pim_ifp->ucast_bsm_accept = > 1911 yang_dnode_get_bool(args->dnode, NULL); > 1912 > 1913 break; > 1914 } > (gdb) p pim_ifp > $1 = (struct pim_interface *) 0x0 Fixes: 3bb513c ("lib: adapt to version 2 of libyang") Signed-off-by: Louis Scalbert <[email protected]>
rzalamena
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Aug 7, 2024
It might cause this use-after-free:
```
==6523==ERROR: AddressSanitizer: heap-use-after-free on address 0x60300058d720 at pc 0x55f3ab62ab1f bp 0x7ffe5b95a0d0 sp 0x7ffe5b95a0c8
READ of size 8 at 0x60300058d720 thread T0
#0 0x55f3ab62ab1e in bgp_gr_update_mode_of_all_peers bgpd/bgp_fsm.c:2729
#1 0x55f3ab62ab1e in bgp_gr_update_all bgpd/bgp_fsm.c:2779
#2 0x55f3ab73557e in bgp_inst_gr_config_vty bgpd/bgp_vty.c:3037
#3 0x55f3ab74db69 in bgp_graceful_restart bgpd/bgp_vty.c:3130
#4 0x7fc5539a9584 in cmd_execute_command_real lib/command.c:1002
#5 0x7fc5539a98a3 in cmd_execute_command lib/command.c:1061
#6 0x7fc5539a9dcf in cmd_execute lib/command.c:1227
#7 0x7fc553ae493f in vty_command lib/vty.c:616
#8 0x7fc553ae4e92 in vty_execute lib/vty.c:1379
#9 0x7fc553aedd34 in vtysh_read lib/vty.c:2374
#10 0x7fc553ad8a64 in event_call lib/event.c:1995
#11 0x7fc553a0c429 in frr_run lib/libfrr.c:1232
#12 0x55f3ab57b78d in main bgpd/bgp_main.c:555
#13 0x7fc55342d249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#14 0x7fc55342d304 in __libc_start_main_impl ../csu/libc-start.c:360
#15 0x55f3ab5799a0 in _start (/usr/lib/frr/bgpd+0x2e19a0)
0x60300058d720 is located 16 bytes inside of 24-byte region [0x60300058d710,0x60300058d728)
freed by thread T0 here:
#0 0x7fc553eb76a8 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:52
#1 0x7fc553a2b713 in qfree lib/memory.c:130
#2 0x7fc553a0e50d in listnode_free lib/linklist.c:81
#3 0x7fc553a0e50d in list_delete_node lib/linklist.c:379
#4 0x55f3ab7ae353 in peer_delete bgpd/bgpd.c:2796
#5 0x55f3ab7ae91f in bgp_session_reset bgpd/bgpd.c:141
#6 0x55f3ab62ab17 in bgp_gr_update_mode_of_all_peers bgpd/bgp_fsm.c:2752
#7 0x55f3ab62ab17 in bgp_gr_update_all bgpd/bgp_fsm.c:2779
#8 0x55f3ab73557e in bgp_inst_gr_config_vty bgpd/bgp_vty.c:3037
#9 0x55f3ab74db69 in bgp_graceful_restart bgpd/bgp_vty.c:3130
#10 0x7fc5539a9584 in cmd_execute_command_real lib/command.c:1002
#11 0x7fc5539a98a3 in cmd_execute_command lib/command.c:1061
#12 0x7fc5539a9dcf in cmd_execute lib/command.c:1227
#13 0x7fc553ae493f in vty_command lib/vty.c:616
#14 0x7fc553ae4e92 in vty_execute lib/vty.c:1379
#15 0x7fc553aedd34 in vtysh_read lib/vty.c:2374
#16 0x7fc553ad8a64 in event_call lib/event.c:1995
#17 0x7fc553a0c429 in frr_run lib/libfrr.c:1232
#18 0x55f3ab57b78d in main bgpd/bgp_main.c:555
#19 0x7fc55342d249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
previously allocated by thread T0 here:
#0 0x7fc553eb83b7 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:77
#1 0x7fc553a2ae20 in qcalloc lib/memory.c:105
#2 0x7fc553a0d056 in listnode_new lib/linklist.c:71
#3 0x7fc553a0d85b in listnode_add_sort lib/linklist.c:197
#4 0x55f3ab7baec4 in peer_create bgpd/bgpd.c:1996
#5 0x55f3ab65be8b in bgp_accept bgpd/bgp_network.c:604
#6 0x7fc553ad8a64 in event_call lib/event.c:1995
#7 0x7fc553a0c429 in frr_run lib/libfrr.c:1232
#8 0x55f3ab57b78d in main bgpd/bgp_main.c:555
#9 0x7fc55342d249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
```
Signed-off-by: Donatas Abraitis <[email protected]>
rzalamena
pushed a commit
that referenced
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Aug 14, 2024
Fix the following crash when pim options are (un)configured on an non-existent interface. > r1(config)# int fgljdsf > r1(config-if)# no ip pim unicast-bsm > vtysh: error reading from pimd: Connection reset by peer (104)Warning: closing connection to pimd because of an I/O error! > #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007f70c8f32249 in core_handler (signo=11, siginfo=0x7fffff88e4f0, context=0x7fffff88e3c0) at lib/sigevent.c:258 > #2 <signal handler called> > #3 0x0000556cfdd9b16d in lib_interface_pim_address_family_unicast_bsm_modify (args=0x7fffff88f130) at pimd/pim_nb_config.c:1910 > #4 0x00007f70c8efdcb5 in nb_callback_modify (context=0x556d00032b60, nb_node=0x556cffeeb9b0, event=NB_EV_APPLY, dnode=0x556d00031670, resource=0x556d00032b48, errmsg=0x7fffff88f710 "", errmsg_len=8192) > at lib/northbound.c:1538 > #5 0x00007f70c8efe949 in nb_callback_configuration (context=0x556d00032b60, event=NB_EV_APPLY, change=0x556d00032b10, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:1888 > #6 0x00007f70c8efee82 in nb_transaction_process (event=NB_EV_APPLY, transaction=0x556d00032b60, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:2016 > #7 0x00007f70c8efd658 in nb_candidate_commit_apply (transaction=0x556d00032b60, save_transaction=true, transaction_id=0x0, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:1356 > #8 0x00007f70c8efd78e in nb_candidate_commit (context=..., candidate=0x556cffeb0e80, save_transaction=true, comment=0x0, transaction_id=0x0, errmsg=0x7fffff88f710 "", errmsg_len=8192) at lib/northbound.c:1389 > #9 0x00007f70c8f03e58 in nb_cli_classic_commit (vty=0x556d00025a80) at lib/northbound_cli.c:51 > #10 0x00007f70c8f043f8 in nb_cli_apply_changes_internal (vty=0x556d00025a80, > xpath_base=0x7fffff893bb0 "/frr-interface:lib/interface[name='fgljdsf']/frr-pim:pim/address-family[address-family='frr-routing:ipv4']", clear_pending=false) at lib/northbound_cli.c:178 > #11 0x00007f70c8f0475d in nb_cli_apply_changes (vty=0x556d00025a80, xpath_base_fmt=0x556cfdde9fe0 "./frr-pim:pim/address-family[address-family='%s']") at lib/northbound_cli.c:234 > #12 0x0000556cfdd8298f in pim_process_no_unicast_bsm_cmd (vty=0x556d00025a80) at pimd/pim_cmd_common.c:3493 > #13 0x0000556cfddcf782 in no_ip_pim_ucast_bsm (self=0x556cfde40b20 <no_ip_pim_ucast_bsm_cmd>, vty=0x556d00025a80, argc=4, argv=0x556d00031500) at pimd/pim_cmd.c:4950 > #14 0x00007f70c8e942f0 in cmd_execute_command_real (vline=0x556d00032070, vty=0x556d00025a80, cmd=0x0, up_level=0) at lib/command.c:1002 > #15 0x00007f70c8e94451 in cmd_execute_command (vline=0x556d00032070, vty=0x556d00025a80, cmd=0x0, vtysh=0) at lib/command.c:1061 > #16 0x00007f70c8e9499f in cmd_execute (vty=0x556d00025a80, cmd=0x556d00030320 "no ip pim unicast-bsm", matched=0x0, vtysh=0) at lib/command.c:1227 > #17 0x00007f70c8f51e44 in vty_command (vty=0x556d00025a80, buf=0x556d00030320 "no ip pim unicast-bsm") at lib/vty.c:616 > #18 0x00007f70c8f53bdd in vty_execute (vty=0x556d00025a80) at lib/vty.c:1379 > #19 0x00007f70c8f55d59 in vtysh_read (thread=0x7fffff896600) at lib/vty.c:2374 > #20 0x00007f70c8f4b209 in event_call (thread=0x7fffff896600) at lib/event.c:2011 > #21 0x00007f70c8ed109e in frr_run (master=0x556cffdb4ea0) at lib/libfrr.c:1217 > #22 0x0000556cfdddec12 in main (argc=2, argv=0x7fffff896828, envp=0x7fffff896840) at pimd/pim_main.c:165 > (gdb) f 3 > #3 0x0000556cfdd9b16d in lib_interface_pim_address_family_unicast_bsm_modify (args=0x7fffff88f130) at pimd/pim_nb_config.c:1910 > 1910 pim_ifp->ucast_bsm_accept = > (gdb) list > 1905 case NB_EV_ABORT: > 1906 break; > 1907 case NB_EV_APPLY: > 1908 ifp = nb_running_get_entry(args->dnode, NULL, true); > 1909 pim_ifp = ifp->info; > 1910 pim_ifp->ucast_bsm_accept = > 1911 yang_dnode_get_bool(args->dnode, NULL); > 1912 > 1913 break; > 1914 } > (gdb) p pim_ifp > $1 = (struct pim_interface *) 0x0 Fixes: 3bb513c ("lib: adapt to version 2 of libyang") Signed-off-by: Louis Scalbert <[email protected]> (cherry picked from commit 6952bea)
rzalamena
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Aug 15, 2024
A crash happens when executing the following command: > ubuntu2204hwe# conf > ubuntu2204hwe(config)# router bgp 65500 > ubuntu2204hwe(config-router)# ! > ubuntu2204hwe(config-router)# address-family ipv4 unicast > ubuntu2204hwe(config-router-af)# sid vpn export auto > ubuntu2204hwe(config-router-af)# exit-address-family > ubuntu2204hwe(config-router)# ! > ubuntu2204hwe(config-router)# address-family ipv4 vpn > ubuntu2204hwe(config-router-af)# network 4.4.4.4/32 rd 55:55 label 556 > ubuntu2204hwe(config-router-af)# network 5.5.5.5/32 rd 662:33 label 232 > ubuntu2204hwe(config-router-af)# exit-address-family > ubuntu2204hwe(config-router)# exit > ubuntu2204hwe(config)# ! > ubuntu2204hwe(config)# no router bgp The crash analysis indicates a memory item has been freed. > #6 0x000076066a629c15 in mt_count_free (mt=0x56b57be85e00 <MTYPE_BGP_NAME>, ptr=0x60200038b4f0) > at lib/memory.c:73 > #7 mt_count_free (ptr=0x60200038b4f0, mt=0x56b57be85e00 <MTYPE_BGP_NAME>) at lib/memory.c:69 > #8 qfree (mt=mt@entry=0x56b57be85e00 <MTYPE_BGP_NAME>, ptr=0x60200038b4f0) at lib/memory.c:129 > #9 0x000056b57bb09ce9 in bgp_free (bgp=<optimized out>) at bgpd/bgpd.c:4120 > #10 0x000056b57bb0aa73 in bgp_unlock (bgp=<optimized out>) at ./bgpd/bgpd.h:2513 > #11 peer_free (peer=0x62a000000200) at bgpd/bgpd.c:1313 > #12 0x000056b57bb0aca8 in peer_unlock_with_caller (name=<optimized out>, peer=<optimized out>) > at bgpd/bgpd.c:1344 > #13 0x000076066a6dbb2c in event_call (thread=thread@entry=0x7ffc8cae1d60) at lib/event.c:2011 > #14 0x000076066a60aa88 in frr_run (master=0x613000000040) at lib/libfrr.c:1214 > #15 0x000056b57b8b2c44 in main (argc=<optimized out>, argv=<optimized out>) at bgpd/bgp_main.c:543 Actually, the BGP_NAME item has not been used at allocation for static->prd_pretty, and this results in reaching 0 quicker at bgp deletion. Fix this by reassigning MTYPE_BGP_NAME to prd_pretty. Fixes: 16600df2c4f4 ("bgpd: fix show run of network route-distinguisher") Signed-off-by: Philippe Guibert <[email protected]>
rzalamena
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Aug 15, 2024
A crash happens when executing the following command: > ubuntu2204hwe# conf > ubuntu2204hwe(config)# router bgp 65500 > ubuntu2204hwe(config-router)# ! > ubuntu2204hwe(config-router)# address-family ipv4 unicast > ubuntu2204hwe(config-router-af)# sid vpn export auto > ubuntu2204hwe(config-router-af)# exit-address-family > ubuntu2204hwe(config-router)# ! > ubuntu2204hwe(config-router)# address-family ipv4 vpn > ubuntu2204hwe(config-router-af)# network 4.4.4.4/32 rd 55:55 label 556 > ubuntu2204hwe(config-router-af)# network 5.5.5.5/32 rd 662:33 label 232 > ubuntu2204hwe(config-router-af)# exit-address-family > ubuntu2204hwe(config-router)# exit > ubuntu2204hwe(config)# ! > ubuntu2204hwe(config)# no router bgp The crash analysis indicates a memory item has been freed. > #6 0x000076066a629c15 in mt_count_free (mt=0x56b57be85e00 <MTYPE_BGP_NAME>, ptr=0x60200038b4f0) > at lib/memory.c:73 > #7 mt_count_free (ptr=0x60200038b4f0, mt=0x56b57be85e00 <MTYPE_BGP_NAME>) at lib/memory.c:69 > #8 qfree (mt=mt@entry=0x56b57be85e00 <MTYPE_BGP_NAME>, ptr=0x60200038b4f0) at lib/memory.c:129 > #9 0x000056b57bb09ce9 in bgp_free (bgp=<optimized out>) at bgpd/bgpd.c:4120 > #10 0x000056b57bb0aa73 in bgp_unlock (bgp=<optimized out>) at ./bgpd/bgpd.h:2513 > #11 peer_free (peer=0x62a000000200) at bgpd/bgpd.c:1313 > #12 0x000056b57bb0aca8 in peer_unlock_with_caller (name=<optimized out>, peer=<optimized out>) > at bgpd/bgpd.c:1344 > #13 0x000076066a6dbb2c in event_call (thread=thread@entry=0x7ffc8cae1d60) at lib/event.c:2011 > #14 0x000076066a60aa88 in frr_run (master=0x613000000040) at lib/libfrr.c:1214 > #15 0x000056b57b8b2c44 in main (argc=<optimized out>, argv=<optimized out>) at bgpd/bgp_main.c:543 Actually, the BGP_NAME item has not been used at allocation for static->prd_pretty, and this results in reaching 0 quicker at bgp deletion. Fix this by reassigning MTYPE_BGP_NAME to prd_pretty. Fixes: 16600df2c4f4 ("bgpd: fix show run of network route-distinguisher") Signed-off-by: Philippe Guibert <[email protected]> (cherry picked from commit 64594f8)
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