https://bugs.kde.org/show_bug.cgi?id=512498
Bug ID: 512498
Summary: Krita crashes immediately when the text field in the
SeExpr Fill layer options is cleared (emptied).
Classification: Applications
Product: krita
Version First 5.2.13
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: SeExpr for Krita
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 187086
--> https://bugs.kde.org/attachment.cgi?id=187086&action=edit
Backtrace
SUMMARY
Krita crashes immediately when the text field in the SeExpr Fill layer options
is cleared (emptied). I believe this happens because the instant preview tries
to parse an empty string, triggering a hard assertion failure in libKSeExpr on
systems built with GLIBCXX assertions.
STEPS TO REPRODUCE
1. Create a new document
2. Add a Fill Layer
3. Select SeExpr generator from the list
4. In the SeExpr script options tab, select all text in the script box, Ctrl+A
5. Press Backspace to clear the box
OBSERVED RESULT
Krita closes immediately (crashes)
EXPECTED RESULT
The text box should become empty, and I should be allowed to type a new script.
The preview should likely just fail silently or show a blank output, not crash
the application.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux 6.17.8-arch1-1
KDE Plasma Version: 6.5.3
KDE Frameworks Version: 6.20.0
Qt version: Running
`from krita import *
print ( QLibraryInfo.version().majorVersion() )`
within Kritas python scripter returns 5
Qt Version (system): 6.10.0
Window: Wayland
ADDITIONAL INFORMATION
The crash is an assertion failure in KSeExpr::Expression::prep()
Backtrace snippet:
#10 0x00007f025369a41f in std::__glibcxx_assert_fail (file=<optimized out>,
line=<optimized out>, function=<optimized out>, condition=<optimized out>) at
/usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/assert_fail.cc:41
#11 0x00007f021071e2c8 in KSeExpr::Expression::prep() const () at
/usr/lib/libKSeExpr.so.4
#12 0x00007f02188f1a6f in ??? () at
/usr/lib/kritaplugins/kritaseexprgenerator.so
This contradicts the Krita Manual (Tutorials and How-tos > Introduction to
SeExpr), which tells users:
"Go to the text box, and clear it if it has any text."
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