[Bug 51818] New: Reporting packet length is always 0

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51818

            Bug ID: 51818
           Summary: Reporting packet length is always 0
           Product: Wine
           Version: 6.18
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: wpcap
          Assignee: wine-bugs at winehq.org
          Reporter: marc_aurel at me.com
      Distribution: ---

Created attachment 70703
  --> https://bugs.winehq.org/attachment.cgi?id=70703
same source for linux/mac/win

Source code for an example program is attached.

I compiled it on linux, mac and windows and it is always working as expected
meaning it produces a terminal output like:

listening on Pseudo-device that captures on all interfaces...
14:47:05,000000 len:62
Destiny MAC:
00:00:00:00:00:00:
Source MAC:
00: 00: 00: 00: 00: 00: 

etc (blanked out the mac addresses)

Wheres running the windows .exe in wine always reports a packet length of 0 (I
tested on wine 6.18(linux)/6.16(linux)/6.0(linux/mac)). Modifying the program
to show the packet content leads to a segfault in wine but works just fine
again on win/linux/mac (which is kinda expected I guess since it thinks the
packets are empty).

Running native/wine versions side by side you can see that it is capturing the
same packets, which are clearly not empty.

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