is_import() incorrectly checks st_value == 0

You want to be checking whether it's global/weak and has a shndx of 0 (SHN_UNDEF)

Start by locating is_import() in the Rust ELF parsing code and inspect its current symbol-value and section-index checks. Confirm the behavior for global or weak symbols with SHN_UNDEF, then add or update focused coverage if the surrounding code has tests. Done means is_import() uses the intended binding and section-index conditions instead of st_value == 0.

Written by the indexing model from the issue text.