512199 2025-11-16 16:28:33 +0000 *.kim export file has a size limit of ~4GB 2026-02-15 17:23:00 +0000 1 1 2 Applications kphotoalbum Import/Export GIT master Other Linux CONFIRMED NOR normal --- 1 schleth_es kphotoalbum-bugs-null johannes rsquared42 0 oldest_to_newest 2470698 0 schleth_es 2025-11-16 16:28:33 +0000 SUMMARY When exporting with images inside the kim file, the file may get bigger than 4GB (esp. if there are vidos among the data). These files cannot be imported or opened as zip files (after renaming). STEPS TO REPRODUCE 1. Export a lot of media files with the option "include in kim file" 2. Try to import this file into another database OBSERVED RESULT kim file cannot be opened EXPECTED RESULT kim file should be opened normally SOFTWARE/OS VERSIONS KPhotoAlbum: v6.1.0-14-g3705a5703 KDE Frameworks: 6.17.0 Qt: Using 6.8.2 and built against 6.8.2 TUXEDO OS (Xcb) Build ABI: x86_64-little_endian-lp64 Kernel: linux 6.14.0-115036-tuxedo ADDITIONAL INFORMATION The size limit should be made transparent on export or circumvented by using another zip library that does not have this limitation. 2474712 1 rsquared42 2025-12-05 18:28:54 +0000 I exported an personal folder with 5.4G of images and videos. $ unzip -t 2017.kim Archive: 2017.kim warning [2017.kim]: 4294967296 extra bytes at beginning or within zipfile (attempting to process anyway) file #1: bad zipfile offset (local header sig): 4294967296 (attempting to re-compensate) testing: Images/imgp0465.mov OK error: not enough memory for bomb detection At least one error was detected in 2017.kim. $ 7z -t 2017.kim ... WARNING = 32-bit overflow in headers ... 2474739 2 rsquared42 2025-12-05 20:58:30 +0000 Interestingly, my command-line zip (from Info-Zip) is built with LARGE_FILE_SUPPORT and can create a valid zip file of the same folder. $ unzip -qt images/2017.zip No errors detected in compressed data of images/2017.zip. $ echo $? 0 $ ls -l images/2017.zip -rw-rw-r-- 1 me me 5686177599 Dec 5 12:18 images/2017.zip So this is a limitation of KZip. 2480453 3 bug-janitor 2025-12-30 02:55:50 +0000 A possibly relevant merge request was started @ https://invent.kde.org/graphics/kphotoalbum/-/merge_requests/61 2481498 4 rsquared42 2026-01-03 17:45:07 +0000 Created upstream bug 514177. 2494856 5 johannes 2026-02-15 17:23:00 +0000 Until there is an upstream resolution, kphotoalbum mitigates the bug by not allowing .kim files over 4GB: https://invent.kde.org/graphics/kphotoalbum/-/commit/bd21e0a672e67d96cf23a43232375e532a563d39