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Wireshark-bugs: [Wireshark-bugs] [Bug 10145] New: Save as pcapng results in corrupt file

Date: Fri, 30 May 2014 17:51:20 +0000
Bug ID 10145
Summary Save as pcapng results in corrupt file
Classification Unclassified
Product Wireshark
Version 1.10.7
Hardware x86-64
OS Windows 7
Status UNCONFIRMED
Severity Normal
Priority Low
Component Capture file support (libwiretap)
Assignee [email protected]
Reporter [email protected]

Created attachment 12781 [details]
6 packets saved as pcapng format

Build Information:
Version 1.10.7 (v1.10.7-0-g6b931a1 from master-1.10)

Copyright 1998-2014 Gerald Combs <[email protected]> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 2.24.14, with Cairo 1.10.2, with Pango 1.30.1, with
GLib 2.34.1, with WinPcap (4_1_3), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python,
with GnuTLS 2.12.18, with Gcrypt 1.4.6, without Kerberos, with GeoIP, with
PortAudio V19-devel (built Apr 22 2014), with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 2.12.18, Gcrypt 1.4.6, without AirPcap.
      Intel(R) Core(TM) i7-2760QM CPU @ 2.40GHz, with 18315MB of physical
memory.


Built using Microsoft Visual C++ 10.0 build 40219

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
Saving a capture as type 'pcapng' results in a corrupt file that Wireshark
cannot (and/or will not) open.

Steps to reproduce:
1. Open Wireshark
2. Start capture
3. Wait for some packets
4. Stop capture
5. Save As
6. Select type pcapng
7. Save

Result:
Error dialog is shown:
The capture file appears to be damaged or corrupt.
(pcapng_read_unknown_block: total block length 0 of an unknown block type is
less than the minimum block size 12)

Expected result:
File is saved correctly and capture stays in Wireshark window.


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