The linux-kernel-cataloger only matched plain *.ko files, missing
compressed modules produced when CONFIG_MODULE_COMPRESS is enabled
(common on Debian 13 / Ubuntu 24.04+). This resulted in near-zero
module packages being reported for such filesystems.
Changes:
- Add *.ko.gz, *.ko.xz, *.ko.zst glob patterns to both the cataloger
and capabilities.yaml so the file resolver picks up compressed modules
- Add decompressedModuleReader() which detects the extension and
transparently decompresses via compress/gzip, ulikunitz/xz, or
klauspost/compress/zstd before handing the ELF bytes to the existing
parseLinuxKernelModuleMetadata parser
- Promote github.com/klauspost/compress from indirect to direct dependency
- Add unit tests covering all three compression formats plus the
uncompressed baseline, using a programmatically generated minimal ELF
Fixes#4721
Signed-off-by: Will Bates <william.bates11@outlook.com>
