[Winpcap-users] pcap_next_ex() crashes

[Selçuk Cevher]

The files were not being closed using pcap_close() - This was the problem.

On Fri, Mar 5, 2010 at 9:48 PM, Guy Harris <guy at alum.mit.edu> wrote:

>
> On Mar 5, 2010, at 4:49 AM, Selçuk Cevher wrote:
>
> > I wrote a small program which calls pcap_next_ex() function to read
> packets while processing a bunch of PCAP files (offline mode) "sequentially"
> - one after another.
>
> So you're opening a file with pcap_open_offline(), processing its packets,
> closing the file with pcap_close(), opening the next file with
> pcap_open_offline(), processing *its* packets, closing the file with
> pcap_close(), etc.?
>
> > However, pcap_next_ex() generates a segmentation fault (I observed this
> using GNU gdb).
>
> Can you show us the stack trace?
>
> > I use Ubuntu 9.10 (64-bit) which installs libpcap v1.0.0-2ubuntu1 by
> default.
>
> ...so this is probably not the best list for this - WinPcap is the port of
> libpcap to Windows.
>
> tcpdump-workers at tcpdump.org is the right list for libpcap questions (and
> even WinPcap questions can go there if they're not asking about
> WinPcap-specific features).
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