--- binutils.orig/gold/fileread.cc 2019-11-08 10:33:58.911577903 +0000 +++ binutils-2.30/gold/fileread.cc 2019-11-08 10:34:13.001470092 +0000 @@ -381,6 +381,12 @@ File_read::do_read(off_t start, section_ ssize_t bytes; if (this->whole_file_view_ != NULL) { + // See PR 23765 for an example of a testcase that triggers this error. + if (((ssize_t) start) < 0) + gold_fatal(_("%s: read failed, starting offset (%#llx) less than zero"), + this->filename().c_str(), + static_cast(start)); + bytes = this->size_ - start; if (static_cast(bytes) >= size) {