Le 29 sept. 2015 4:13 PM, "Garrett Kajmowicz" <garrett.kajmow...@gmail.com> a écrit : > > I'm running Ubuntu. I used Wireshark (package: 1.12.1+g01b65bf-4+deb8u2build0.15.04.1) to capture an NFS packet trace, attempting to understand some latency issues with some applications. Packet trace came out to about 35 MiB. > > Attempting to load the packet trace failed repeatedly. Using the commandline > wireshark -r /u/garrettk/capture2 -n > > resulted in a core with the backtrace: > > > garrettk@garrettk-desktop:/tmp$ gdb /usr/bin/wireshark core > GNU gdb (Ubuntu 7.9-1ubuntu1) 7.9 > Copyright (C) 2015 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". > Type "show configuration" for configuration details. > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>. > Find the GDB manual and other documentation resources online at: > <http://www.gnu.org/software/gdb/documentation/>. > For help, type "help". > Type "apropos word" to search for commands related to "word"... > Reading symbols from /usr/bin/wireshark...Reading symbols from /usr/lib/debug/.build-id/10/5e02de2192c9ede5d2bd8ccc026a08d6ce7b6b.debug...done.
> done. > [New LWP 26153] > [New LWP 26154] > [New LWP 26167] > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > Core was generated by `wireshark -r /u/garrettk/capture2 -n'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 0x00007ff6ca0c0844 in g_strlcpy (dest=<optimized out>, > src=src@entry=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, dest_size=dest_size@entry=4096) > at /build/buildd/glib2.0-2.44.1/./glib/gstrfuncs.c:1365 > 1365 /build/buildd/glib2.0-2.44.1/./glib/gstrfuncs.c: No such file or directory. > (gdb) bt > #0 0x00007ff6ca0c0844 in g_strlcpy (dest=<optimized out>, > src=src@entry=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, dest_size=dest_size@entry=4096) > at /build/buildd/glib2.0-2.44.1/./glib/gstrfuncs.c:1365 > #1 0x00007ff6c6c4bfa7 in col_add_lstr (cinfo=0x813b20 <cfile+480>, el=<optimized out>, str=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/column-utils.c:597 > #2 0x00007ff6c7364941 in dissect_tcp (tvb=0x30d1cf0, pinfo=0x7ffed6b9beb8, tree=0xfff) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/dissectors/packet-tcp.c:4186 > #3 0x00007ff6c6c5b184 in call_dissector_through_handle (handle=handle@entry=0x2564dd0, tvb=tvb@entry=0x30d1cf0, pinfo=pinfo@entry=0x7ffed6b9beb8, tree=tree@entry=0x563e690, data=data@entry=0x7ff6ad711030) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:626 > #4 0x00007ff6c6c5bab5 in call_dissector_work (handle=0x2564dd0, tvb=0x30d1cf0, pinfo_arg=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=1, data=0x7ff6ad711030) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:713 > #5 0x00007ff6c6c5c16c in dissector_try_uint_new (sub_dissectors=<optimized out>, uint_val=6, tvb=0x30d1cf0, pinfo=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=1, data=0x7ff6ad711030) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:1144 > #6 0x00007ff6c702fffb in dissect_ip (tvb=0x30d1ed0, pinfo=0x7ffed6b9beb8, parent_tree=0xfff) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/dissectors/packet-ip.c:2409 > #7 0x00007ff6c6c5b184 in call_dissector_through_handle (handle=handle@entry=0x25f8fb0, tvb=tvb@entry=0x30d1ed0, pinfo=pinfo@entry=0x7ffed6b9beb8, tree=tree@entry=0x563e690, data=data@entry=0x0) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:626 > #8 0x00007ff6c6c5bab5 in call_dissector_work (handle=0x25f8fb0, tvb=0x30d1ed0, pinfo_arg=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=1, data=0x0) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:713 > #9 0x00007ff6c6c5c16c in dissector_try_uint_new (sub_dissectors=<optimized out>, uint_val=2048, tvb=0x30d1ed0, pinfo=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=add_proto_name@entry=1, data=0x0) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:1144 > #10 0x00007ff6c6c5c1c1 in dissector_try_uint (sub_dissectors=<optimized out>, uint_val=<optimized out>, tvb=<optimized out>, pinfo=<optimized out>, tree=<optimized out>) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:1170 > #11 0x00007ff6c6f080f2 in dissect_ethertype (tvb=0x2bbb310, pinfo=0xffffffffffffffff, tree=0xfff, data=0x7ffed6b9afa0) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/dissectors/packet-ethertype.c:303 > #12 0x00007ff6c6c5b1bf in call_dissector_through_handle (handle=handle@entry=0x231e860, tvb=tvb@entry=0x320f400, pinfo=pinfo@entry=0x7ffed6b9beb8, tree=tree@entry=0x563e690, data=data@entry=0x7ffed6b9b650) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:622 > #13 0x00007ff6c6c5bab5 in call_dissector_work (handle=0x231e860, tvb=0x320f400, pinfo_arg=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=1, data=0x7ffed6b9b650) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:713 > #14 0x00007ff6c6c5d712 in call_dissector_with_data (handle=<optimized out>, tvb=0x320f400, pinfo=0x7ffed6b9beb8, tree=0x563e690, data=<optimized out>) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:2295 > #15 0x00007ff6c6f06988 in dissect_eth_common (tvb=0x320f400, pinfo=0x7ffed6b9beb8, parent_tree=0xfff, fcs_len=-692473952) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/dissectors/packet-eth.c:471 > #16 0x00007ff6c6c5b184 in call_dissector_through_handle (handle=handle@entry=0x231e690, tvb=tvb@entry=0x320f400, pinfo=pinfo@entry=0x7ffed6b9beb8, tree=tree@entry=0x563e690, data=data@entry=0x0) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:626 > #17 0x00007ff6c6c5bab5 in call_dissector_work (handle=0x231e690, tvb=0x320f400, pinfo_arg=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=1, data=0x0) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:713 > #18 0x00007ff6c6c5c16c in dissector_try_uint_new (sub_dissectors=<optimized out>, uint_val=1, tvb=0x320f400, pinfo=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=add_proto_name@entry=1, data=0x0) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:1144 > #19 0x00007ff6c6c5c1c1 in dissector_try_uint (sub_dissectors=<optimized out>, uint_val=<optimized out>, tvb=<optimized out>, pinfo=<optimized out>, tree=<optimized out>) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:1170 > #20 0x00007ff6c6f3c27c in dissect_frame (tvb=0x2bbb310, pinfo=0xffffffffffffffff, parent_tree=0xfff) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/dissectors/packet-frame.c:508 > #21 0x00007ff6c6c5b184 in call_dissector_through_handle (handle=handle@entry=0x2469ed0, tvb=tvb@entry=0x320f400, pinfo=pinfo@entry=0x7ffed6b9beb8, tree=tree@entry=0x563e690, data=data@entry=0x0) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:626 > #22 0x00007ff6c6c5bab5 in call_dissector_work (handle=0x2469ed0, tvb=0x320f400, pinfo_arg=0x7ffed6b9beb8, tree=0x563e690, add_proto_name=1, data=0x0) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:713 > #23 0x00007ff6c6c5d712 in call_dissector_with_data (handle=<optimized out>, tvb=0x320f400, pinfo=0x7ffed6b9beb8, tree=0x563e690, data=<optimized out>) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:2295 > #24 0x00007ff6c6c5db20 in dissect_record (edt=0x2bbb310, > edt@entry=0x7ffed6b9bea0, file_type_subtype=2, phdr=0x0, tvb=0x320f400, fd=0x7ff6af12b2b8, fd@entry=0x31eadc0, cinfo=0x7ffed6b9beb8) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/packet.c:497 > #25 0x00007ff6c6c50e81 in epan_dissect_run (edt=edt@entry=0x7ffed6b9bea0, file_type_subtype=2, phdr=phdr@entry=0x7ffed6b9bdd0, tvb=0x320f400, fd=fd@entry=0x31eadc0, cinfo=cinfo@entry=0x813b20 <cfile+480>) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/epan/epan.c:336 > #26 0x00000000004f367d in packet_list_dissect_and_cache_record (packet_list=packet_list@entry=0x2defaa0 [PacketList], record=record@entry=0x7ff6afb2b0c0, dissect_color=1) > at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/ui/gtk/packet_list_store.c:1161 > #27 0x00000000004f3a8c in packet_list_get_value (tree_model=0x2defaa0, iter=<optimized out>, column=0, value=0x7ffed6b9c100) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/ui/gtk/packet_list_store.c:399 > #28 0x00007ff6cb322fc8 in apply_cell_attributes (renderer=0x2e1e730 [GtkCellRendererText], info=0x2e6b160, data=0x7ffed6b9c1a0) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkcellarea.c:1249 > Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator': > #29 0x00007ff6ca0911e0 in g_hash_table_foreach (hash_table=0x2f2c520, func=func@entry=0x7ff6cb322ef0 <apply_cell_attributes>, user_data=user_data@entry=0x7ffed6b9c1a0) at /build/buildd/glib2.0-2.44.1/./glib/ghash.c:1607 > #30 0x00007ff6cb322e9b in gtk_cell_area_real_apply_attributes (area=<optimized out>, tree_model=0x2defaa0, iter=0x1dca900, is_expander=<optimized out>, is_expanded=<optimized out>) > at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkcellarea.c:1286 > #31 0x00007ff6cb32852f in gtk_cell_area_box_apply_attributes (area=<optimized out>, tree_model=tree_model@entry=0x2defaa0, iter=iter@entry=0x1dca900, is_expander=<optimized out>, is_expanded=<optimized out>) > at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkcellareabox.c:1311 > #32 0x00007ff6cb407cbf in _gtk_marshal_VOID__OBJECT_BOXED_BOOLEAN_BOOLEANv (closure=0x2dff3c0, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized ou > t>, param_types=0x2dff4d0) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkmarshalers.c:5040 > #33 0x00007ff6ca377504 in _g_closure_invoke_va (closure=0x2bbb310, closure@entry=0x2dff3c0, return_value=0xffffffffffffffff, return_value@entry=0x0, instance=0xfff, instance@entry=0x2e32410, args=0x7ffed6b9afa0, > args@entry=0x7ffed6b9c470, n_params=-1357729096, param_types=0xffffffffffffffff) at /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c:831 > #34 0x00007ff6ca390fa7 in g_signal_emit_valist (instance=0x2e32410, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffed6b9c470) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3214 > #35 0x00007ff6ca3918ff in g_signal_emit (instance=instance@entry=0x2e32410, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3361 > #36 0x00007ff6cb324a26 in gtk_cell_area_apply_attributes (area=0x2e32410 [GtkCellAreaBox], tree_model=0x2defaa0, iter=iter@entry=0x7ffed6b9c6d0, is_expander=0, is_expanded=0) > at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkcellarea.c:2375 > #37 0x00007ff6cb528659 in gtk_tree_view_column_cell_set_cell_data (tree_column=tree_column@entry=0x2e52da0 [GtkTreeViewColumn], tree_model=<optimized out>, iter=iter@entry=0x7ffed6b9c6d0, is_expander=<optimized out>, is_expan > ded=<optimized out>) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtktreeviewcolumn.c:2842 > #38 0x00007ff6cb50b060 in validate_row (tree_view=tree_view@entry=0x2e3c3b0 [GtkTreeView], tree=0x5395e50, node=0x2c84490, iter=iter@entry=0x7ffed6b9c6d0, path=path@entry=0x1e1dc20) > at /build/buildd/gtk+3.0-3.14.13/./gtk/gtktreeview.c:6316 > #39 0x00007ff6cb511592 in validate_visible_area > (tree_view=tree_view@entry=0x2e3c3b0 [GtkTreeView]) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtktreeview.c:6421 > #40 0x00007ff6cb512066 in do_presize_handler (tree_view=0x2e3c3b0 [GtkTreeView]) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtktreeview.c:6996 > #41 0x00007ff6cb512209 in presize_handler_callback (widget=<optimized out>, clock=<optimized out>, unused=<optimized out>) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtktreeview.c:7027 > #42 0x00007ff6cb53d134 in gtk_widget_on_frame_clock_update (frame_clock=0x1c6b390 [GdkFrameClockIdle], widget=0x2e3c3b0 [GtkTreeView]) at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkwidget.c:5290 > #46 0x00007ff6ca391e4a in <emit signal 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff> on instance 0x1c6b390 [GdkFrameClockIdle]> (instance=0x2bbb310, > instance@entry=0x1c6b390, detailed_signal=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, detailed_signal@entry=0x7ff6cafe242e "update") > at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3401 > #43 0x00007ff6ca3772d5 in g_closure_invoke (closure=0x5499f40, return_value=0x0, n_param_values=1, param_values=0x7ffed6b9c980, invocation_hint=0x7ffed6b9c920) at /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c:768 > #44 0x00007ff6ca38903c in signal_emit_unlocked_R > (node=node@entry=0x1c3b7a0, detail=detail@entry=0, instance=instance@entry=0x1c6b390, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@ent > ry=0x7ffed6b9c980) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3549 > #45 0x00007ff6ca391698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3305 > #47 0x00007ff6caf7b69c in gdk_frame_clock_paint_idle (data=0x1c6b390) at /build/buildd/gtk+3.0-3.14.13/./gdk/gdkframeclockidle.c:380 > #48 0x00007ff6caf6dd08 in gdk_threads_dispatch (data=0x1dc54a0, > data@entry=<error reading variable: value has been optimized out>) at /build/buildd/gtk+3.0-3.14.13/./gdk/gdk.c:656 > #49 0x00007ff6ca0a25e3 in g_timeout_dispatch (source=0x28c5350, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4545 > #50 0x00007ff6ca0a1b4d in g_main_context_dispatch (context=0x1c1ead0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3122 > #51 0x00007ff6ca0a1b4d in g_main_context_dispatch > (context=context@entry=0x1c1ead0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3737 > #52 0x00007ff6ca0a1f20 in g_main_context_iterate (context=0x1c1ead0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3808 > #53 0x00007ff6ca0a2242 in g_main_loop_run (loop=0x2f2bae0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4002 > #54 0x00007ff6cb3fede5 in gtk_main () at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkmain.c:1207 > ---Type <return> to continue, or q <return> to quit--- > #55 0x0000000000423ffd in main (argc=0, argv=0x7ffed6b9d0d8) at /build/wireshark-mFWICu/wireshark-1.12.1+g01b65bf/ui/gtk/main.c:3248 > > No obvious match in bug database. > Not willing to create Yet Another Account with Yet Another Password to file the bug. > Let me know if you need more data. > > - Garrett > Hi Garrett, Is it possible to share (eventually privately) the capture? In Wireshark settings, are you enabling the port resolution (so as to display a name for a well known port number) or are you displaying the numerical value of the port number? Best regards, Pascal.
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