[konsole] [Bug 402452] New: Crash in Konsole::TerminalDisplay::extendSelection after 4e09f089f940335bdd628139e870ba99721fddfa

[Martin Sandsmark]

https://bugs.kde.org/show_bug.cgi?id=402452

            Bug ID: 402452
           Summary: Crash in Konsole::TerminalDisplay::extendSelection
                    after 4e09f089f940335bdd628139e870ba99721fddfa
           Product: konsole
           Version: master
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: martin.sandsmark at kde.org
  Target Milestone: ---

4e09f089f940335bdd628139e870ba99721fddfa tries to read out of bounds when you
double click to select a whole empty line, and hold down the mouse button and
drag to the right.

ASSERT: "x >= 0 && x < _columns" in file ../src/TerminalDisplay.cpp, line 87
Thread 1 "konsole" received signal SIGABRT, Aborted.
0x00007ffff577dd7f in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007ffff577dd7f in raise () from /usr/lib/libc.so.6
#1  0x00007ffff5768672 in abort () from /usr/lib/libc.so.6
#2  0x00007ffff5cbe7fc in QMessageLogger::fatal(char const*, ...) const () from
/usr/lib/libQt5Core.so.5
#3  0x00007ffff5cbdc28 in qt_assert(char const*, char const*, int) () from
/usr/lib/libQt5Core.so.5
#4  0x00007ffff7eae748 in Konsole::TerminalDisplay::loc (this=0x5555558494f0,
x=116, y=17) at ../src/TerminalDisplay.cpp:87
#5  0x00007ffff7ea8b20 in Konsole::TerminalDisplay::findWordEnd
(this=0x5555558494f0, pnt=...) at ../src/TerminalDisplay.cpp:3021
#6  0x00007ffff7ea6c06 in Konsole::TerminalDisplay::extendSelection
(this=0x5555558494f0, position=...) at ../src/TerminalDisplay.cpp:2555
#7  0x00007ffff7ea65bb in Konsole::TerminalDisplay::mouseMoveEvent
(this=0x5555558494f0, ev=0x7fffffffd830) at ../src/TerminalDisplay.cpp:2477
[...]
(gdb) f 4
#4  0x00007ffff7eae748 in Konsole::TerminalDisplay::loc (this=0x5555558494f0,
x=116, y=17) at ../src/TerminalDisplay.cpp:87
87          Q_ASSERT(x >= 0 && x < _columns);
(gdb) p _columns
$1 = 116

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