imagemagick/ping_dng_fuzzer: Use-of-uninitialized-value in std::__1::basic_streambuf<char, std::__1::char_traits<char> >::xsgetn

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5662852382195712 Project: imagemagick Fuzzer: libFuzzerimagemagickpingdngfuzzer Fuzz target binary: pingdngfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...