openthread/ip6-send-fuzzer: Crash in ot::Dhcp6::Dhcp6Client::ProcessNextIdentityAssociation

2019-02-23T22:40:44
ID OSSFUZZ-13348
Type ossfuzz
Reporter Google
Modified 2019-03-29T15:24:49

Description

Project: https://github.com/openthread/openthread.git

Detailed report: https://oss-fuzz.com/testcase?key=5669719225401344

Project: openthread Fuzzer: libFuzzer_openthread_ip6-send-fuzzer Fuzz target binary: ip6-send-fuzzer Job Type: libfuzzer_ubsan_openthread Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x00c688d7f72d Crash State: ot::Dhcp6::Dhcp6Client::ProcessNextIdentityAssociation ot::Dhcp6::Dhcp6Client::Start ot::Dhcp6::Dhcp6Client::UpdateAddresses

Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_openthread&range=201902220245:201902230250

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5669719225401344

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

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