kioslave5 assert failure: *** buffer overflow detected ***: terminated

[Muhammad Ali Husain]

Kioslave5 closed unexpectedly.

Ubuntu Studio 24.04
KDE Plasma Version: 5.27.10
KDE Framework Version: 5.113.0
Qt Version: 5.15.10
Kernel Version: 6.5.0-9-lowlatency (64 bit)
Graphics Platform: Wayland

ProblemType: Crash
DistroRelease: Ubuntu 24.04
Package: kio 5.113.0-0ubuntu1
ProcVersionSignature: Ubuntu 6.5.0-9.9.1-lowlatency 6.5.3
Uname: Linux 6.5.0-9-lowlatency x86_64
ApportVersion: 2.27.0-0ubuntu6
Architecture: amd64
AssertionMessage: *** buffer overflow detected ***: terminated
CasperMD5CheckResult: unknown
CrashCounter: 1
CurrentDesktop: KDE
Date: Sun Dec 17 06:01:15 2023
ExecutablePath: /usr/lib/x86_64-linux-gnu/libexec/kf5/kioslave5
InstallationDate: Installed on 2023-12-15 (2 days ago)
InstallationMedia: Ubuntu-Studio 22.04.3 LTS "Jammy Jellyfish" - Release amd64 (20230807)
JournalErrors: -- No entries --
ProcCmdline: /lib/x86_64-linux-gnu/libexec/kf5/kioslave5 /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/desktop.so desktop local:/run/user/1000/plasmashelldQPsVF.1.kioworker.socket
Signal: 6
SourcePackage: kio
StacktraceTop:
 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
 __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
 __GI_abort () at ./stdlib/abort.c:79
Title: kioslave5 assert failure: *** buffer overflow detected ***: terminated
UpgradeStatus: Upgraded to noble on 2023-12-16 (1 days ago)
UserGroups: adm audio cdrom dip lpadmin plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
 __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
 __GI_abort () at ./stdlib/abort.c:79

[Seth Arnold (seth-arnold)]

This portion feels most relevant to me:

#16 createUDSEntry (filename=..., path=..., entry=..., details=details@entry=..., fullPath=...) at /usr/src/kio-5.113.0-0ubuntu1/src/ioslaves/file/file_unix.cpp:407
  402: using SizeType = off_t;
  403: #endif
  404: SizeType bufferSize = qBound(lowerBound, size + 1, higherBound);
  405: linkTargetBuffer.resize(bufferSize);
  406: while (true) {
  407: ssize_t n = readlink(path.constData(), linkTargetBuffer.data(), bufferSize);
  408: if (n < 0 && errno != ERANGE) {
  409: qCWarning(KIO_FILE) << "readlink failed!" << path;
  410: return false;
  411: } else if (n > 0 && static_cast<SizeType>(n) != bufferSize) {
  412: // the buffer was not filled in the last iteration