| Bug ID |
11722
|
| Summary |
Segmentation fault when using a Lua listener
|
| Product |
Wireshark
|
| Version |
1.99.x (Experimental)
|
| Hardware |
All
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Critical
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
Version 2.1.0 (v2.1.0rc0-607-gabfeb2d from master)
Copyright 1998-2015 Gerald Combs <[email protected]> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 Qt 5.5.0, with WinPcap (4_1_3), with libz 1.2.8, with
GLib 2.42.0, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.2, with GnuTLS
3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
with AirPcap.
Running on 64-bit Windows 10, build 10240, with locale C, with Npcap version
0.05, based on WinPcap version 4.1.3 (packet.dll version 4.1.0.2980), based on
libpcap version 1.0 branch 1_0_rel0b (20091008), with GnuTLS 3.2.15, with
Gcrypt
1.6.2, without AirPcap.
Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz (with SSE4.2), with 8075MB of
physical
memory.
Built using Microsoft Visual C++ 12.0 build 40629
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
As reported by Thomas Baudelet on
https://ask.wireshark.org/questions/47671/lua-script-segmentation-fault-11-in-200rc3-on-os-x,
letting a simple lua script running with tshark ends with a segmentation fault.
Running the following script:
local ip = Listener.new("ip")
local ip_src_f = Field.new("ip.src")
function ip.packet(pinfo,tvb,tapinfo)
if (ip_src_f() ~= nil) then
print(tostring(ip_src_f()))
end
end
with this command line:
tshark -q -i 1 -X lua_script:ip.lua
Ends with the following callstack:
libwireshark.dll!lua_tap_packet(void * tapdata, _packet_info * pinfo,
epan_dissect * edt, const void * data) Line 108 C
libwireshark.dll!tap_push_tapped_queue(epan_dissect * edt) Line 364 C
libwireshark.dll!epan_dissect_run_with_taps(epan_dissect * edt, int
file_type_subtype, wtap_pkthdr * phdr, tvbuff * tvb, _frame_data * fd,
epan_column_info * cinfo) Line 378 C
tshark.exe!process_packet(_capture_file * cf, epan_dissect * edt, __int64
offset, wtap_pkthdr * whdr, const unsigned char * pd, unsigned int tap_flags)
Line 3731 C
tshark.exe!capture_input_new_packets(_capture_session * cap_session, int
to_read) Line 2798 C
tshark.exe!sync_pipe_input_cb(int source, void * user_data) Line 1903 C
tshark.exe!capture() Line 2611 C
tshark.exe!main(int argc, char * * argv) Line 2318 C
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