OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23183
Crash type: Heap-buffer-overflow READ 1
Crash state:
pcpp::GtpV1Layer::GtpExtension::getNextExtensionHeaderType
pcpp::GtpV1Layer::GtpExtension::getNextExtension
pcpp::GtpV1Layer::getHeaderLen