isisd: Correct edge insertion into TED (backport #18294) #18298
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Edges are not correctly linked to Vertices during LSP processing. In function lsp_to_edge_cb(), once edge created or updated from the LSP TLVs, the code try to link the edge to destination vertices. In case the revert edge is not found, the code try to found a destination vertex to link to. But, the sys_id used for this operation corresponds to the source vertex. As a result, the edge is attached as source and destination of the vertex. When Traffic Engineering is stopped, TED is deleted which result into a double free of the edge attributes. This cause a crash when attempt to free extended admin groupi the second time. This patch removed wrong code which link twice the edge to the source vertex. Signed-off-by: Olivier Dugeon <[email protected]> (cherry picked from commit 605fc1d)
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Edges are not correctly linked to Vertices during LSP processing. In function lsp_to_edge_cb(), once edge created or updated from the LSP TLVs, the code try to link the edge to destination vertices. In case the revert edge is not found, the code try to found a destination vertex to link to. But, the sys_id used for this operation corresponds to the source vertex. As a result, the edge is attached as source and destination of the vertex. When Traffic Engineering is stopped, TED is deleted which result into a double free of the edge attributes. This cause a crash when attempt to free extended admin groupi the second time.
This patch removed wrong code which link twice the edge to the source vertex.
This is an automatic backport of pull request #18294 done by Mergify.