Hi Bjørn,

2012/7/3 Bjørn Mork <[email protected]>:
> Bálint Réczey <[email protected]> writes:
>
>> Could you please attach the cappture file, the core dump or the
>> backtrace generated using the wireshark-dbg package?
>
> bjorn@nemi:~$ gdb wireshark
> GNU gdb (GDB) 7.4.1-debian
> Copyright (C) 2012 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/bin/wireshark...Reading symbols from 
> /usr/lib/debug/.build-id/da/41d96104edb59789cb0b5e81cbb01d85823973.debug...done.
> done.
> (gdb) set pagination 0
> (gdb) run -r /tmp/new.dump
> Starting program: /usr/bin/wireshark -r /tmp/new.dump
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [New Thread 0x7fffe130b700 (LWP 6509)]
> [Thread 0x7fffe130b700 (LWP 6509) exited]
> [New Thread 0x7fffe0b0a700 (LWP 6510)]
> [New Thread 0x7fffe0309700 (LWP 6511)]
> [Thread 0x7fffe0b0a700 (LWP 6510) exited]
> [Thread 0x7fffe0309700 (LWP 6511) exited]
> [New Thread 0x7fffdfb08700 (LWP 6512)]
> [New Thread 0x7fffdf307700 (LWP 6513)]
> [New Thread 0x7fffdeb06700 (LWP 6514)]
> [Thread 0x7fffdfb08700 (LWP 6512) exited]
> [Thread 0x7fffdeb06700 (LWP 6514) exited]
> [Thread 0x7fffdf307700 (LWP 6513) exited]
> [New Thread 0x7fffde305700 (LWP 6516)]
> [Thread 0x7fffde305700 (LWP 6516) exited]
> [New Thread 0x7fffddb04700 (LWP 6517)]
> [New Thread 0x7fffdd303700 (LWP 6518)]
> [New Thread 0x7fffdcb02700 (LWP 6519)]
> [New Thread 0x7fffd7fff700 (LWP 6520)]
> [Thread 0x7fffddb04700 (LWP 6517) exited]
> [Thread 0x7fffdd303700 (LWP 6518) exited]
> [Thread 0x7fffd7fff700 (LWP 6520) exited]
> [New Thread 0x7fffd77fe700 (LWP 6521)]
> [Thread 0x7fffdcb02700 (LWP 6519) exited]
> [New Thread 0x7fffd6ffd700 (LWP 6522)]
> [Thread 0x7fffd77fe700 (LWP 6521) exited]
> [New Thread 0x7fffd67fc700 (LWP 6523)]
> [New Thread 0x7fffd5ffb700 (LWP 6524)]
> [Thread 0x7fffd5ffb700 (LWP 6524) exited]
> [Thread 0x7fffd67fc700 (LWP 6523) exited]
> [Thread 0x7fffd6ffd700 (LWP 6522) exited]
> [New Thread 0x7fffd57fa700 (LWP 6525)]
> [New Thread 0x7fffd4ff9700 (LWP 6526)]
> [Thread 0x7fffd57fa700 (LWP 6525) exited]
> [New Thread 0x7fffd47f8700 (LWP 6527)]
> [New Thread 0x7fffd3ff7700 (LWP 6528)]
> [Thread 0x7fffd47f8700 (LWP 6527) exited]
> [Thread 0x7fffd4ff9700 (LWP 6526) exited]
> [New Thread 0x7fffd37f6700 (LWP 6529)]
> [Thread 0x7fffd3ff7700 (LWP 6528) exited]
> [New Thread 0x7fffd2ff5700 (LWP 6530)]
> [Thread 0x7fffd37f6700 (LWP 6529) exited]
> [Thread 0x7fffd2ff5700 (LWP 6530) exited]
> [New Thread 0x7fffd27f4700 (LWP 6531)]
> [New Thread 0x7fffd1ff3700 (LWP 6532)]
> [Thread 0x7fffd1ff3700 (LWP 6532) exited]
> [Thread 0x7fffd27f4700 (LWP 6531) exited]
> [New Thread 0x7fffd17f2700 (LWP 6533)]
> [New Thread 0x7fffd0ff1700 (LWP 6534)]
> [Thread 0x7fffd17f2700 (LWP 6533) exited]
> [New Thread 0x7fffd07f0700 (LWP 6535)]
> [New Thread 0x7fffcffef700 (LWP 6536)]
> [New Thread 0x7fffcf7ee700 (LWP 6537)]
> [Thread 0x7fffcffef700 (LWP 6536) exited]
> [Thread 0x7fffd0ff1700 (LWP 6534) exited]
> [Thread 0x7fffd07f0700 (LWP 6535) exited]
> [New Thread 0x7fffcefed700 (LWP 6538)]
> [Thread 0x7fffcf7ee700 (LWP 6537) exited]
> [New Thread 0x7fffce7ec700 (LWP 6539)]
> [Thread 0x7fffce7ec700 (LWP 6539) exited]
> [New Thread 0x7fffcdfeb700 (LWP 6540)]
> [New Thread 0x7fffcd7ea700 (LWP 6541)]
> [Thread 0x7fffcefed700 (LWP 6538) exited]
> [Thread 0x7fffcdfeb700 (LWP 6540) exited]
> [New Thread 0x7fffccfe9700 (LWP 6542)]
> [Thread 0x7fffcd7ea700 (LWP 6541) exited]
> [New Thread 0x7fffcc7e8700 (LWP 6543)]
> [Thread 0x7fffccfe9700 (LWP 6542) exited]
> [New Thread 0x7fffcbfe7700 (LWP 6544)]
> [New Thread 0x7fffcb7e6700 (LWP 6545)]
> [Thread 0x7fffcb7e6700 (LWP 6545) exited]
> [Thread 0x7fffcbfe7700 (LWP 6544) exited]
> [Thread 0x7fffcc7e8700 (LWP 6543) exited]
> [New Thread 0x7fffcafe5700 (LWP 6546)]
> [New Thread 0x7fffca7e4700 (LWP 6547)]
> [New Thread 0x7fffc9fe3700 (LWP 6548)]
> [New Thread 0x7fffc97e2700 (LWP 6549)]
> [Thread 0x7fffc97e2700 (LWP 6549) exited]
> [New Thread 0x7fffc8fe1700 (LWP 6550)]
> [Thread 0x7fffc9fe3700 (LWP 6548) exited]
> [Thread 0x7fffcafe5700 (LWP 6546) exited]
> [Thread 0x7fffca7e4700 (LWP 6547) exited]
> [New Thread 0x7fffc87e0700 (LWP 6551)]
> [Thread 0x7fffc8fe1700 (LWP 6550) exited]
> [New Thread 0x7fffc7fdf700 (LWP 6552)]
> [Thread 0x7fffc87e0700 (LWP 6551) exited]
> [New Thread 0x7fffc77de700 (LWP 6553)]
> [Thread 0x7fffc7fdf700 (LWP 6552) exited]
> [New Thread 0x7fffc6fdd700 (LWP 6554)]
> [Thread 0x7fffc77de700 (LWP 6553) exited]
> [Thread 0x7fffc6fdd700 (LWP 6554) exited]
> [New Thread 0x7fffc67dc700 (LWP 6555)]
> [New Thread 0x7fffc5fdb700 (LWP 6556)]
> [Thread 0x7fffc67dc700 (LWP 6555) exited]
> [Thread 0x7fffc5fdb700 (LWP 6556) exited]
> [New Thread 0x7fffc57da700 (LWP 6557)]
> [New Thread 0x7fffc4fd9700 (LWP 6558)]
> [Thread 0x7fffc4fd9700 (LWP 6558) exited]
> [New Thread 0x7fffc47d8700 (LWP 6559)]
> [New Thread 0x7fffc3fd7700 (LWP 6560)]
> [Thread 0x7fffc47d8700 (LWP 6559) exited]
> [Thread 0x7fffc57da700 (LWP 6557) exited]
> [New Thread 0x7fffc37d6700 (LWP 6561)]
> [New Thread 0x7fffc2fd5700 (LWP 6562)]
> [Thread 0x7fffc3fd7700 (LWP 6560) exited]
> [New Thread 0x7fffc27d4700 (LWP 6563)]
> [Thread 0x7fffc37d6700 (LWP 6561) exited]
> [Thread 0x7fffc2fd5700 (LWP 6562) exited]
> [New Thread 0x7fffc1fd3700 (LWP 6564)]
> [Thread 0x7fffc27d4700 (LWP 6563) exited]
> [Thread 0x7fffc1fd3700 (LWP 6564) exited]
> [New Thread 0x7fffc17d2700 (LWP 6565)]
> *** glibc detected *** /usr/bin/wireshark: munmap_chunk(): invalid pointer: 
> 0x0000555556d98f30 ***
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff1a9adbd in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> (gdb) bt
> #0  0x00007ffff1a9adbd in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #1  0x00007ffff1a9d2a4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #2  0x00007ffff1a9ef42 in calloc () from /lib/x86_64-linux-gnu/libc.so.6
> #3  0x00007ffff7de7abf in ?? () from /lib64/ld-linux-x86-64.so.2
> #4  0x00007ffff7de3126 in ?? () from /lib64/ld-linux-x86-64.so.2
> #5  0x00007ffff7de495a in ?? () from /lib64/ld-linux-x86-64.so.2
> #6  0x00007ffff7def10e in ?? () from /lib64/ld-linux-x86-64.so.2
> #7  0x00007ffff7deabd6 in ?? () from /lib64/ld-linux-x86-64.so.2
> #8  0x00007ffff7deeb4a in ?? () from /lib64/ld-linux-x86-64.so.2
> #9  0x00007ffff1b33d00 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #10 0x00007ffff7deabd6 in ?? () from /lib64/ld-linux-x86-64.so.2
> #11 0x00007ffff1b33d9f in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #12 0x00007ffff1b33e97 in __libc_dlopen_mode () from 
> /lib/x86_64-linux-gnu/libc.so.6
> #13 0x00007ffff1b11fc5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #14 0x00007ffff1db8830 in pthread_once () from 
> /lib/x86_64-linux-gnu/libpthread.so.0
> #15 0x00007ffff1b120c4 in backtrace () from /lib/x86_64-linux-gnu/libc.so.6
> #16 0x00007ffff1a9130f in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #17 0x00007ffff1a9ab46 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #18 0x00005555555f2dfa in cf_read (cf=cf@entry=0x5555559a9540, 
> reloading=reloading@entry=0) at file.c:642
> #19 0x00005555555e1b3d in main (argc=0, argv=0x7fffffffe370) at main.c:3049
> (gdb)
>
> Not sure if that was too useful... Anything else I should have done
> here?
It is useful but strange. :-)
Let me set up an amd64 box to reproduce it. Thanks for the capture
file with one packet.

>
>
>
>> You can open a private bug at https://bugs.wireshark.org/bugzilla/ if
>> you don't want to share the capture file here.
>
> I cannot share the original dump as it contains firmware provided under
> NDA.  But I hope that the single packet dump I provided is sufficient to
> track down this bug.
It should be enough.

Cheers,
Balint

>
>
>
> Bjørn



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