| Bug ID |
12386
|
| Summary |
Wireshark crash cleaning up subnet entries after preference change
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
All
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
git
--
Using the HTTP capture from 10335 I'm getting crashes every time I change the
preference "allow subdissectors to reassemble TCP streams" or whatever.
Backtrace is:
gdb) bt
#0 0x00007ffff4ef36ce in wmem_block_free (allocator=0x12e0d60,
block=0x2df03f0) at ../../../epan/wmem/wmem_allocator_block.c:745
#1 0x00007ffff4ef36ce in wmem_block_free (chunk=0x2df0400,
allocator=0x12e0d60) at ../../../epan/wmem/wmem_allocator_block.c:822
#2 0x00007ffff4ef36ce in wmem_block_free (private_data=0x12e0d60,
ptr=0x2df0410) at ../../../epan/wmem/wmem_allocator_block.c:913
#3 0x00007ffff4380617 in cleanup_subnet_entry (entry=0x2e002e0) at
../../epan/addr_resolv.c:2357
#4 0x00007ffff4380617 in cleanup_subnet_entry (entry=0x2e2fae0) at
../../epan/addr_resolv.c:2357
#5 0x00007ffff4380617 in cleanup_subnet_entry (entry=0x2e7af00) at
../../epan/addr_resolv.c:2357
#6 0x00007ffff4380617 in cleanup_subnet_entry (entry=0x1f059d0) at
../../epan/addr_resolv.c:2357
#7 0x00007ffff438274f in host_name_lookup_cleanup () at
../../epan/addr_resolv.c:2738
#8 0x00007ffff439c38b in cleanup_dissection () at ../../epan/packet.c:317
#9 0x00007ffff439284e in epan_free (session=0x2cf9540) at
../../epan/epan.c:233
#10 0x000000000045641a in rescan_packets (cf=0xc3a060 <cfile>,
action="" "Reprocessing",
action_item=action_item@entry=0x76e5fb "all packets",
redissect=redissect@entry=1)
at ../file.c:1623
#11 0x0000000000456838 in cf_redissect_packets (cf=<optimized out>) at
../file.c:1490
#12 0x000000000049caf9 in MainWindow::redissectPackets() (this=0xdfcb10) at
../../../ui/qt/main_window_slots.cpp:1323
#13 0x00000000005b1eef in MainWindow::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=0xdfcb10, _c=<optimized out>,
_id=<optimized out>, _a=0x4036670) at main_window.moc.cpp:1421
#14 0x00007ffff0af9161 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#15 0x00007ffff1ad316b in QWidget::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#16 0x00007ffff1be944b in QMainWindow::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#17 0x00007ffff1a9041c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#18 0x00007ffff1a958e6 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#19 0x00007ffff0ac973b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#20 0x00007ffff0acbb36 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#21 0x00007ffff0b1faa3 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#22 0x00007ffff247be3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#23 0x00007ffff247c1d0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#24 0x00007ffff247c27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#25 0x00007ffff0b1feaf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#26 0x00007ffff0ac6eca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#27 0x00007ffff0acefac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#28 0x0000000000447a66 in main(int, char**) (argc=0, argv=<optimized out>) at
../wireshark-qt.cpp:1415
I do have a ~/.wireshark/subnets file which contains:
10.1.1.0/24 SiteA
10.1.2.0/24 SiteB1
10.1.3.0/24 SiteC
10.2.0.0/16 SiteD
10.3.0.0/20 SiteB2
10.3.16.0/20 SiteF
10.3.32.0/20 SiteG
10.3.64.0/20 SiteF2
10.3.128.0/20 SiteH
(Presumably left over from some other test.) Removing that file makes the
crash go away.
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