Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 6245] New: tshark run with -Tpdml makes a seg fault

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6245

           Summary: tshark run with -Tpdml makes a seg fault
           Product: Wireshark
           Version: 1.6.1
          Platform: Other
        OS/Version: Windows 7
            Status: NEW
          Severity: Major
          Priority: Low
         Component: TShark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: wireshark@xxxxxxxxxxxxxxxx


Build Information:
TShark 1.6.1 (SVN Rev Unknown from unknown)

Copyright 1998-2011 Gerald Combs <gerald@xxxxxxxxxxxxx> 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 GLib 2.22.5, with libpcap 1.0.0, with libz 1.2.3, with
POSIX capabilities (Linux), without libpcre, without SMI, without c-ares,
without ADNS, without Lua, without Python, with GnuTLS 2.8.6, with Gcrypt
1.4.5,
without Kerberos, without GeoIP.

Running on Linux 2.6.33.4, with libpcap version 1.0.0, with libz 1.2.3.

Built using gcc 4.4.4.

--
Previously:

root@tod:~/wireshark-1.6.1# tshark -i eth0 -Tpdml
Segmentation fault

gdb told me:

Program received signal SIGSEGV, Segmentation fault.
write_preamble (cf=0x0) at tshark.c:2971
2971            write_pdml_preamble(stdout, cf->filename);

Fixed it by patching tshark.c, line 2971:

write_pdml_preamble(stdout, cf->filename);

into:

write_pdml_preamble(stdout, cf ? cf->filename : NULL);

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