https://bugs.kde.org/show_bug.cgi?id=502141
Bug ID: 502141
Summary: App crashes in SfdiskBackend::readSectorsUsed() while
refreshing if USB flash drive needing repairs is
plugged in
Classification: Applications
Product: partitionmanager
Version: Git
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: andr...@stikonas.eu
Reporter: n...@kde.org
Target Milestone: ---
SUMMARY
I have a USB flash drive that evidently needs repairs (as detected by Plasma's
Disks & Devices popup). When I launch Partition Manager or refresh it while the
drive is plugged in, the app crashes.
STEPS TO REPRODUCE
1. Plug in a USB flash drive in need of repair
2. Launch Partition Manager and authenticate
OBSERVED RESULT
The app crashes 100% of the time:
#0 __pthread_kill_implementation
(threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at
pthread_kill.c:44
#1 0x00007faf7f07fbc3 in __pthread_kill_internal (threadid=<optimized out>,
signo=11)
at pthread_kill.c:78
#2 0x00007faf7f026f9e in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#3 0x00007faf81c3554b in KCrash::defaultCrashHandler (sig=11)
at /home/nate/kde/src/kcrash/src/kcrash.cpp:605
#4 0x00007faf7f027050 in <signal handler called> () at /lib64/libc.so.6
#5 0x00007faf680ce9b4 in SfdiskBackend::readSectorsUsed (d=..., p=...,
mountPoint=...)
at /home/nate/kde/src/kpmcore/src/plugins/sfdisk/sfdiskbackend.cpp:523
#6 0x00007faf680d02f5 in SfdiskBackend::scanWholeDevicePartition
(this=this@entry=0x7faf64009600, d=...)
at /home/nate/kde/src/kpmcore/src/plugins/sfdisk/sfdiskbackend.cpp:345
#7 0x00007faf680d45d9 in SfdiskBackend::scanDevice
(this=0x7faf64009600, deviceNode=<optimized out>)
at /home/nate/kde/src/kpmcore/src/plugins/sfdisk/sfdiskbackend.cpp:297
#8 0x00007faf680d104b in SfdiskBackend::scanDevices (this=0x7faf64009600,
scanFlags=...)
at /home/nate/kde/src/kpmcore/src/plugins/sfdisk/sfdiskbackend.cpp:106
#9 0x00007faf8233a842 in DeviceScanner::scan (this=0x398d2720)
at /home/nate/kde/src/kpmcore/src/core/devicescanner.cpp:56
#10 0x00007faf7f8b67e9 in operator() (__closure=<optimized out>)
at
/usr/src/debug/qt6-qtbase-6.8.2-3.fc41.x86_64/src/corelib/thread/qthread_unix.cpp:375
#11 (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=<optimized out>)
at
/usr/src/debug/qt6-qtbase-6.8.2-3.fc41.x86_64/src/corelib/thread/qthread_unix.cpp:311
#12 QThreadPrivate::start (arg=0x398d2720)
at
/usr/src/debug/qt6-qtbase-6.8.2-3.fc41.x86_64/src/corelib/thread/qthread_unix.cpp:339
#13 0x00007faf7f07dba8 in start_thread (arg=<optimized out>) at
pthread_create.c:448
#14 0x00007faf7f101b8c in __GI___clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
EXPECTED RESULT
No crash.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.3.80
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.2
Kernel Version: 6.13.8-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon™ 780M Graphics
Memory: 16 GB of RAM (14.9 GB usable)
Graphics Processor: AMD Radeon 780M
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