Wireshark-bugs: [Wireshark-bugs] [Bug 12220] save pcap result null ptr error.
Comment # 18
on bug 12220
from Hxms
(In reply to Guy Harris from comment #17)
> To quote an email to the wireshark-dev list:
>
> > I am having problems with saving my new development as a pcapng file. Trying to save with this type, wireshark 2.1.0 (x64) crashes and I will get an exception.
>
> > Using the VS2013 debugger I get the following exception within “pcapng.c”:
> Unhandled exception at 0x000007FEE02F7C67 (wiretap-2.1.0(x64_TS_PS).dll) in
> Wireshark.exe: 0xC0000005: Access violation reading location
> 0x0000000000000000.
>
> > The programm itself seems to stop at line 4031 in “pcapng.c”
>
> if (!pcapng_write_interface_statistics_block(wdh, if_stats, err))
> {
> return FALSE;
> }
>
> > What I don’t understand is, trying to save another capture with the same development as pcap works perfect. I can also load the pcap file without any problems. After saving the file as pcap I tried to save the same capture as pcapng, and it works! Due to the fact that I am able to save a capture with my new development as pcap I can’t believe, that my development is responsible for this crash?
>
> Perhaps the code that *reads* pcapng files is setting up the statistics
> incorrectly, setting int_data_mand->num_stat_entries to 1 and not actually
> setting up an array with one element?
right away
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