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Merge pull request #16397 from FRRouting/mergify/bp/stable/9.1/pr-16365

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isisd: fix crash when calculating the neighbor spanning tree based on the fragmented LSP (backport #16365)
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Jafar Al-Gharaibeh 2024-07-17 12:15:59 -04:00 committed by GitHub
commit 6b77433cd6
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1 changed files with 3 additions and 0 deletions
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isisd/isis_spf.c
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@ -873,6 +873,9 @@ static int isis_spf_process_lsp(struct isis_spftree *spftree,
|| (mt_router_info && !mt_router_info->overload));
lspfragloop:
if (!lsp->tlvs)
return ISIS_OK;
if (lsp->hdr.seqno == 0) {
zlog_warn("%s: lsp with 0 seq_num - ignore", __func__);
return ISIS_WARNING;