[Backport 1.37] fix: skip null pointer in EDS validation - #46780
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Skips gap in LocalityLbEndpoints priorities that caused nullprt dereference and Envoy crashed with SEGFAULT. Affected when RING_HASH or MAGLEV loadbalancer policy is used. Backport from envoyproxy#45207 Signed-off-by: Romain Forlot <romain.forlot@dailymotion.com>
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Commit Message:
Backport 78f6701 , PR #45207, to 1.37
skip null pointer in EDS validation
Additional Description: Skips gap in LocalityLbEndpoints priorities that caused nullprt dereference and Envoy crashed with SEGFAULT. Affected when RING_HASH or MAGLEV loadbalancer policy is used.
Backport from #45207
Risk Level: Low
Testing: https://github.com/dajas22/envoy-playground
Signed-off-by: Romain Forlot romain.forlot@dailymotion.com