DNS dissector do not proceed next paket when receice CNAME

[didgaudin]

Describe the bug

When we receive 2 responses packets, if the first is cname, et second who contain de A record is not processed, and then flow->info do not contain protos.dns.rsp_addr.ipv4 value

Expected behavior

A clear and concise description of what you expected to happen.

Obtained behavior

A clear and concise description of what happening.

nDPI Environment (please complete the following information):

• OS name: fedora
• OS version: 41
• Architecture: x86_64
• nDPI version or commit hash: Using nDPI (4.11.0-4871-ddd08f9) [1 thread(s)]
• nDPI compilation flags used:--with-pcre2 --with-local-libgcrypt]
• Attach the config.log file generated after ./configure ran (if you are building from source).

How to reproduce the reported bug

Reproducible using ndpiReader?

• [x] The reported bug is reproducible using ndpiReader.
• [x] The reported bug is not reproducible using ndpiReader.

If applicable, the used ndpiReader options:

If your bug is reproducible using a pcap, please attach a pcap file (or a valid link to download it)

dns.pcap.gz

Example: dns.pcap.gz

Steps to reproduce the behavior:

1. Run '...'
2. Set '....'
3. Do '....'
4. See error

Additional context

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[IvanNardi]

I acknowledge the problem. However it is a little bit more complex that "skip any answers up to A/AAAA record" because we must be sure to return request metadata and answer metadata of the SAME transaction.