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[Bug 1228420] [NEW] deleteRoom crashes in current git

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Public bug reported:

Given the attached map, the attached alias - when used as 'area delete
255' - crashes Mudlet. Here is the backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff51d58f3 in QMapNodeBase::nextNode() const () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
(gdb) bt
#0  0x00007ffff51d58f3 in QMapNodeBase::nextNode() const () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
#1  0x0000000000523a7c in QMapNode<int, QString>::nextNode (this=0x3ec5d00) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:119
#2  0x00000000005206c3 in QMap<int, QString>::const_iterator::operator++ (this=0x7fffffffbb90) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:486
#3  0x00000000005fb55d in QMap<int, QString>::keys (this=0x3e413b0) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:946
#4  0x00000000005f9e90 in TRoom::removeAllSpecialExitsToRoom (this=0x3e412a0, _id=11) at TRoom.cpp:289
#5  0x0000000000656e36 in TRoomDB::__removeRoom (this=0x1a153e0, id=11) at TRoomDB.cpp:99
#6  0x00000000005f8fb4 in TRoom::~TRoom (this=0x3e41780, __in_chrg=<optimised out>) at TRoom.cpp:61
#7  0x0000000000657038 in TRoomDB::removeRoom (this=0x1a153e0, id=11) at TRoomDB.cpp:127
#8  0x000000000050466a in TLuaInterpreter::deleteRoom (L=0x19f7a10) at TLuaInterpreter.cpp:6611
#9  0x00007ffff797c23c in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
#10 0x00007ffff7986d88 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
#11 0x00007ffff797c64d in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
#12 0x00007ffff797b8d7 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
#13 0x00007ffff797c802 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
#14 0x00007ffff7978361 in lua_pcall () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
#15 0x0000000000512c4c in TLuaInterpreter::call (this=0x19fd268, function=..., mName=...) at TLuaInterpreter.cpp:10178
#16 0x000000000053b95b in TAlias::execute (this=0x2d70490) at TAlias.cpp:426
#17 0x000000000053a953 in TAlias::match (this=0x2d70490, toMatch=...) at TAlias.cpp:275
#18 0x00000000005482be in AliasUnit::processDataStream (this=0x19fd478, data=...) at AliasUnit.cpp:281
#19 0x0000000000468f10 in Host::send (this=0x19fcb40, cmd=..., wantPrint=true, dontExpandAliases=false) at Host.cpp:638
#20 0x0000000000531bf9 in TCommandLine::enterCommand (this=0x1a56280, event=0x7fffffffd900) at TCommandLine.cpp:522
#21 0x00000000005308ba in TCommandLine::event (this=0x1a56280, event=0x7fffffffd900) at TCommandLine.cpp:259
#22 0x00007ffff625ab54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
#23 0x00007ffff625e950 in QApplication::notify(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
#24 0x00007ffff533ddd4 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
#25 0x00007ffff62b2a88 in ?? () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
#26 0x00007ffff625ab54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
#27 0x00007ffff625dfe6 in QApplication::notify(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
#28 0x00007ffff533ddd4 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
#29 0x00007ffff5840714 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
#30 0x00007ffff584992d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
#31 0x00007ffff5832a98 in QWindowSystemInterface::sendWindowSystemEventsImplementation(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
#32 0x00007fffebcc5940 in ?? () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/plugins/platforms/libqxcb.so
#33 0x00007ffff3690d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ffff36910a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff3691164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ffff5388314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
#37 0x00007ffff533cb6b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
#38 0x00007ffff5340bbe in QCoreApplication::exec() () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
#39 0x0000000000463094 in main (argc=1, argv=0x7fffffffe048) at main.cpp:274
(gdb)

** Affects: mudlet
     Importance: High
         Status: New


** Tags: crash

** Attachment added: "map"
   https://bugs.launchpad.net/bugs/1228420/+attachment/3832512/+files/map

** Description changed:

- Given
+ Given the attached map, the attached alias - when used as 'area delete
+ 255' - crashes Mudlet. Here is the backtrace:
+ 
+ Program received signal SIGSEGV, Segmentation fault.
+ 0x00007ffff51d58f3 in QMapNodeBase::nextNode() const () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ (gdb) bt
+ #0  0x00007ffff51d58f3 in QMapNodeBase::nextNode() const () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ #1  0x0000000000523a7c in QMapNode<int, QString>::nextNode (this=0x3ec5d00) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:119
+ #2  0x00000000005206c3 in QMap<int, QString>::const_iterator::operator++ (this=0x7fffffffbb90) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:486
+ #3  0x00000000005fb55d in QMap<int, QString>::keys (this=0x3e413b0) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:946
+ #4  0x00000000005f9e90 in TRoom::removeAllSpecialExitsToRoom (this=0x3e412a0, _id=11) at TRoom.cpp:289
+ #5  0x0000000000656e36 in TRoomDB::__removeRoom (this=0x1a153e0, id=11) at TRoomDB.cpp:99
+ #6  0x00000000005f8fb4 in TRoom::~TRoom (this=0x3e41780, __in_chrg=<optimised out>) at TRoom.cpp:61
+ #7  0x0000000000657038 in TRoomDB::removeRoom (this=0x1a153e0, id=11) at TRoomDB.cpp:127
+ #8  0x000000000050466a in TLuaInterpreter::deleteRoom (L=0x19f7a10) at TLuaInterpreter.cpp:6611
+ #9  0x00007ffff797c23c in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
+ #10 0x00007ffff7986d88 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
+ #11 0x00007ffff797c64d in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
+ #12 0x00007ffff797b8d7 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
+ #13 0x00007ffff797c802 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
+ #14 0x00007ffff7978361 in lua_pcall () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
+ #15 0x0000000000512c4c in TLuaInterpreter::call (this=0x19fd268, function=..., mName=...) at TLuaInterpreter.cpp:10178
+ #16 0x000000000053b95b in TAlias::execute (this=0x2d70490) at TAlias.cpp:426
+ #17 0x000000000053a953 in TAlias::match (this=0x2d70490, toMatch=...) at TAlias.cpp:275
+ #18 0x00000000005482be in AliasUnit::processDataStream (this=0x19fd478, data=...) at AliasUnit.cpp:281
+ #19 0x0000000000468f10 in Host::send (this=0x19fcb40, cmd=..., wantPrint=true, dontExpandAliases=false) at Host.cpp:638
+ #20 0x0000000000531bf9 in TCommandLine::enterCommand (this=0x1a56280, event=0x7fffffffd900) at TCommandLine.cpp:522
+ #21 0x00000000005308ba in TCommandLine::event (this=0x1a56280, event=0x7fffffffd900) at TCommandLine.cpp:259
+ #22 0x00007ffff625ab54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
+ #23 0x00007ffff625e950 in QApplication::notify(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
+ #24 0x00007ffff533ddd4 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ #25 0x00007ffff62b2a88 in ?? () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
+ #26 0x00007ffff625ab54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
+ #27 0x00007ffff625dfe6 in QApplication::notify(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
+ #28 0x00007ffff533ddd4 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ #29 0x00007ffff5840714 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
+ #30 0x00007ffff584992d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
+ #31 0x00007ffff5832a98 in QWindowSystemInterface::sendWindowSystemEventsImplementation(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
+ #32 0x00007fffebcc5940 in ?? () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/plugins/platforms/libqxcb.so
+ #33 0x00007ffff3690d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+ #34 0x00007ffff36910a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+ #35 0x00007ffff3691164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+ #36 0x00007ffff5388314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ #37 0x00007ffff533cb6b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ #38 0x00007ffff5340bbe in QCoreApplication::exec() () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
+ #39 0x0000000000463094 in main (argc=1, argv=0x7fffffffe048) at main.cpp:274
+ (gdb)

** Changed in: mudlet
    Milestone: None => 3.0

** Tags added: crash

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https://bugs.launchpad.net/bugs/1228420

Title:
  deleteRoom crashes in current git

Status in Mudlet the MUD client:
  New

Bug description:
  Given the attached map, the attached alias - when used as 'area delete
  255' - crashes Mudlet. Here is the backtrace:

  Program received signal SIGSEGV, Segmentation fault.
  0x00007ffff51d58f3 in QMapNodeBase::nextNode() const () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  (gdb) bt
  #0  0x00007ffff51d58f3 in QMapNodeBase::nextNode() const () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  #1  0x0000000000523a7c in QMapNode<int, QString>::nextNode (this=0x3ec5d00) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:119
  #2  0x00000000005206c3 in QMap<int, QString>::const_iterator::operator++ (this=0x7fffffffbb90) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:486
  #3  0x00000000005fb55d in QMap<int, QString>::keys (this=0x3e413b0) at ../../../Qt5.1.1/5.1.1/gcc_64/include/QtCore/qmap.h:946
  #4  0x00000000005f9e90 in TRoom::removeAllSpecialExitsToRoom (this=0x3e412a0, _id=11) at TRoom.cpp:289
  #5  0x0000000000656e36 in TRoomDB::__removeRoom (this=0x1a153e0, id=11) at TRoomDB.cpp:99
  #6  0x00000000005f8fb4 in TRoom::~TRoom (this=0x3e41780, __in_chrg=<optimised out>) at TRoom.cpp:61
  #7  0x0000000000657038 in TRoomDB::removeRoom (this=0x1a153e0, id=11) at TRoomDB.cpp:127
  #8  0x000000000050466a in TLuaInterpreter::deleteRoom (L=0x19f7a10) at TLuaInterpreter.cpp:6611
  #9  0x00007ffff797c23c in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
  #10 0x00007ffff7986d88 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
  #11 0x00007ffff797c64d in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
  #12 0x00007ffff797b8d7 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
  #13 0x00007ffff797c802 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
  #14 0x00007ffff7978361 in lua_pcall () from /usr/lib/x86_64-linux-gnu/liblua5.1.so.0
  #15 0x0000000000512c4c in TLuaInterpreter::call (this=0x19fd268, function=..., mName=...) at TLuaInterpreter.cpp:10178
  #16 0x000000000053b95b in TAlias::execute (this=0x2d70490) at TAlias.cpp:426
  #17 0x000000000053a953 in TAlias::match (this=0x2d70490, toMatch=...) at TAlias.cpp:275
  #18 0x00000000005482be in AliasUnit::processDataStream (this=0x19fd478, data=...) at AliasUnit.cpp:281
  #19 0x0000000000468f10 in Host::send (this=0x19fcb40, cmd=..., wantPrint=true, dontExpandAliases=false) at Host.cpp:638
  #20 0x0000000000531bf9 in TCommandLine::enterCommand (this=0x1a56280, event=0x7fffffffd900) at TCommandLine.cpp:522
  #21 0x00000000005308ba in TCommandLine::event (this=0x1a56280, event=0x7fffffffd900) at TCommandLine.cpp:259
  #22 0x00007ffff625ab54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
  #23 0x00007ffff625e950 in QApplication::notify(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
  #24 0x00007ffff533ddd4 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  #25 0x00007ffff62b2a88 in ?? () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
  #26 0x00007ffff625ab54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
  #27 0x00007ffff625dfe6 in QApplication::notify(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5
  #28 0x00007ffff533ddd4 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  #29 0x00007ffff5840714 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
  #30 0x00007ffff584992d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
  #31 0x00007ffff5832a98 in QWindowSystemInterface::sendWindowSystemEventsImplementation(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Gui.so.5
  #32 0x00007fffebcc5940 in ?? () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/plugins/platforms/libqxcb.so
  #33 0x00007ffff3690d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #34 0x00007ffff36910a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #35 0x00007ffff3691164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #36 0x00007ffff5388314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  #37 0x00007ffff533cb6b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  #38 0x00007ffff5340bbe in QCoreApplication::exec() () from /home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5
  #39 0x0000000000463094 in main (argc=1, argv=0x7fffffffe048) at main.cpp:274
  (gdb)

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