boringssl/read_pem: Use-of-uninitialized-value in PEM_read_bio

Project: https://boringssl.googlesource.com/boringssl Detailed report: https://oss-fuzz.com/testcase?key=5632355033677824 Project: boringssl Fuzzer: libFuzzerboringsslreadpem Fuzz target binary: readpem Job Type: libfuzzermsanboringssl Platform Id: linux Crash Type: Use-of-uninitialized-value Cra...