[Winpcap-users] pcap_next_ex() crashes

[Selçuk Cevher]

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 Hi All,

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.

However, pcap_next_ex() generates a segmentation fault (I observed this
using GNU gdb).

By the way, my program also produces some user logs so that I have the
opportunity to observe which PCAP file is being processed at a certain time.

On the other hand, when I re-run the same program with the individual PCAP
file as the only program input, which I observed in the user logs that
pcap_next_ex() generated segfault in the previous run while the file was
being processed, I observe no crash.

Hence, I began to think that there is problem with pcap_next_ex() in terms
of memory leak, etc which becomes apparent when it is called successively
for a bunch of PCAP files, not for a single file.

Questions:

1. Is there such a pcap_next_ex() behaviour reported before ?

2. If you think, this is impossible, what might I be doing wrong ?

etc.

I use Ubuntu 9.10 (64-bit) which installs libpcap v1.0.0-2ubuntu1 by
default.

Thanks.
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