https://bugs.kde.org/show_bug.cgi?id=509201
Bug ID: 509201
Summary: KArchive fails to extract 7z archives that use the
BCJ2 filter.
Classification: Frameworks and Libraries
Product: frameworks-karchive
Version First unspecified
Reported In:
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
SUMMARY
KArchive fails to extract 7z archives that use the BCJ2 filter.
STEPS TO REPRODUCE
1. Create a test archive with BCJ2:
`7z a archive.7z /usr/bin/ls -m0=BCJ2 -m1=LZMA2 -m2=LZMA2 -m3=LZMA2`
2. Attempt to extract using KArchive:
`archive.directory()->copyTo()`
3. Extraction fails with an assertion error:
./build/karchivetest archive.7z
ASSERT: "n == currentChunkSize" in
/home/azhar/Projects/KArchive/src/karchive.cpp, line 871
[1] 10321 IOT instruction (core dumped) ./build/karchivetest archive.7z`
OBSERVED RESULT
Extraction fails with assertion error.
EXPECTED RESULT
Archive should extract successfully.
SOFTWARE/OS VERSIONS
Distro: openSUSE Tumbleweed 20250820
KDE Plasma: 6.4.4
KDE Frameworks: 6.17.0
Qt: 6.9.2
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