envoy/server_fuzz_test: Heap-use-after-free in Envoy::Upstream::SubsetLoadBalancer::updateFallbackSubset

2018-04-26T16:18:31
ID OSSFUZZ-8028
Type ossfuzz
Reporter Google
Modified 2019-03-04T16:56:33

Description

Project: https://github.com/envoyproxy/envoy.git

Detailed report: https://oss-fuzz.com/testcase?key=5705154446753792

Project: envoy Fuzzer: libFuzzer_envoy_server_fuzz_test Fuzz target binary: server_fuzz_test Job Type: libfuzzer_asan_envoy Platform Id: linux

Crash Type: Heap-use-after-free READ 4 Crash Address: 0x611000029240 Crash State: Envoy::Upstream::SubsetLoadBalancer::updateFallbackSubset Envoy::Upstream::SubsetLoadBalancer::update std::__1::function<void

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_envoy&range=201804250448:201804260438

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5705154446753792

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

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