lib/linklist.c:335: listnode_lookup(): assertion (list) failed

[scratchy]

fighting since a couple of month with this bug here, on a frr restart(s):

Mar 24 16:01:49 xxx zebra[1374549]: lib/linklist.c:335: listnode_lookup(): assertion (list) failed
Mar 24 16:01:49 xxx ZEBRA[1374549]: Received signal 6 at 1648137709 (si_addr 0x710014f955, PC 0x7fbf01aa6a7c); aborting...
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(zlog_backtrace_sigsafe+0x71) [0x7fbf01ce3f81]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(zlog_signal+0xf5) [0x7fbf01ce4185]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(+0xc2005) [0x7fbf01d11005]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /lib/x86_64-linux-gnu/libc.so.6(+0x46520) [0x7fbf01a52520]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x12c) [0x7fbf01aa6a7c]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7fbf01a52476]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /lib/x86_64-linux-gnu/libc.so.6(abort+0xd3) [0x7fbf01a387f3]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(_zlog_assert_failed+0xed) [0x7fbf01d3cacd]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(+0x8eb28) [0x7fbf01cddb28]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(listnode_delete+0x16) [0x7fbf01cddbc6]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(zebra_evpn_neigh_del+0x23) [0x55cae542b9c3]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(hash_iterate+0x4d) [0x7fbf01cd23cd]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(zebra_evpn_neigh_del_all+0x57) [0x55cae542c447]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(zebra_evpn_cleanup_all+0x26) [0x55cae5424766]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(hash_iterate+0x4d) [0x7fbf01cd23cd]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(zebra_vxlan_cleanup_tables+0x35) [0x55cae5473395]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(+0xec836) [0x55cae545a836]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(vrf_delete+0x36) [0x7fbf01d24826]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(+0x90580) [0x55cae53fe580]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(quagga_sigevent_process+0x53) [0x7fbf01d113d3]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(thread_fetch+0x5d5) [0x7fbf01d21ab5]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(frr_run+0xf3) [0x7fbf01cdce63]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(main+0x379) [0x55cae53ea0d9]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /lib/x86_64-linux-gnu/libc.so.6(+0x2dd90) [0x7fbf01a39d90]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80) [0x7fbf01a39e40]
Mar 24 16:01:49 xxx ZEBRA[1374549]: /usr/lib/frr/zebra(_start+0x25) [0x55cae53eae55]
Mar 24 16:01:49 xxx ZEBRA[1374549]: no thread information available

xxx # lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu Jammy Jellyfish (development branch)
Release:        22.04
Codename:       jammy

xxx # dpkg -l | grep frr
ii  frr                                   8.1-1                              amd64        FRRouting suite of internet protocols (BGP, OSPF, IS-IS, ...)
ii  frr-pythontools                       8.1-1                              all          FRRouting suite - Python tools
ii  frr-rpki-rtrlib                       8.1-1                              amd64        FRRouting suite - BGP RPKI support (rtrlib

any idea whats the issue?

[qlyoung]

CF / Dupe https://github.com/FRRouting/frr/issues/9950

[rzalamena]

Closing duplicated issue. Original issue solved the problem.

[rzalamena]

Sorry my mistake. Let's double check before closing this one.

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[frrbot[bot]]

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