Bug 477019

Summary: kioslave5 memory leak
Product: [Frameworks and Libraries] frameworks-kio Reporter: moshe_shelomov
Component: generalAssignee: liweinan <liweinan>
Status: REPORTED ---    
Severity: major CC: kdelibs-bugs-null, moshe_shelomov, nate, yusq77
Priority: NOR    
Version First Reported In: 5.112.0   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: screenshot of dmesg output stating that kioslave was killed with "out of memory" error
screenshots of htop showing enormous memory consumption by kioslave

Description moshe_shelomov 2023-11-14 21:09:08 UTC
Created attachment 163165 [details]
screenshot of dmesg output stating that kioslave was killed with "out of memory" error

SUMMARY
When trying to delete anything using dolphin's right-click menu, kioslave starts consuming memory until killed or until all the computer's memory is consumed to the state of irresponsiveness

STEPS TO REPRODUCE
1. launch dolphin
2. try deleting anything
3. watch the memory consumption grow endlessly

OBSERVED RESULT
kioslave5 causes memory leak until system stops responding

EXPECTED RESULT
no memory leak

SOFTWARE/OS VERSIONS
Operating System: EndeavourOS 
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11
Kernel Version: 6.6.1-zen1-1-zen (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz
Memory: 31.2 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 530
Manufacturer: Alienware
Product Name: Alienware 17 R3
Comment 1 moshe_shelomov 2023-11-14 21:17:07 UTC
Created attachment 163167 [details]
screenshots of htop showing enormous memory consumption by kioslave
Comment 2 yushuoqi 2025-08-18 07:53:57 UTC
@weinan You can look at this question first.