igraph:read_pajek_fuzzer: Heap-double-free in igraph_i_pajek_add_string_vertex_attribute

Project: https://github.com/igraph/igraph.git Detailed Report: https://oss-fuzz.com/testcase?key=4660161216643072 Project: igraph Fuzzing Engine: libFuzzer Fuzz Target: readpajekfuzzer Job Type: libfuzzerasani386igraph Platform Id: linux Crash Type: Heap-double-free Crash Address: 0xf0b97e80 Cras...