[dolphin] [Bug 493736] New: Can't add SMB share: kioslave5 (kioslave5), signal: Segmentation fault

[Emil]

https://bugs.kde.org/show_bug.cgi?id=493736

            Bug ID: 493736
           Summary: Can't add SMB share: kioslave5 (kioslave5), signal:
                    Segmentation fault
    Classification: Applications
           Product: dolphin
           Version: 23.08.5
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: kde at emilemilchen.de
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 174140
  --> https://bugs.kde.org/attachment.cgi?id=174140&action=edit
Most complete error I could find (from coredump)

SUMMARY
When trying to add an SMB share in Dolphin kioslave5 crashes and I get `The
process for the smb://samba.local protocol died unexpectedly.`. 

STEPS TO REPRODUCE
1. Install Kubuntu 24.04
2. Install and enable wayland
3. Install nvidia-driver-560 or nvidia-driver-535 (tested with these versions,
other versions are likely also affected)
4. Open dolphin
5. Go to the `Network` option
6. Click on `Shared Folders (SMB)` 
7. Open any of the discovered shares

OBSERVED RESULT
`The process for the smb://samba.local protocol died unexpectedly.` error
message and `kioslave5` crashes:
```
Application: kioslave5 (kioslave5), signal: Segmentation fault

[KCrash Handler]
#4  0x00007aac6b4fe618 in ?? () from
/lib/x86_64-linux-gnu/libnvidia-tls.so.560.35.03
#5  0x732e36312d465455 in ?? ()
#6  0x00007aac6f03006f in __gconv_transform_internal_ascii
(step=0xec81481574d3d1, data=0x48f0e08348ca2918, inptrp=0x89480000098be8e7,
inend=0x7fffb07ebb70 " \274~\260\377\177", outbufstart=0xffff24b1e8e78948,
irreversible=0x8948ffff2723e8c7, do_flush=1401505809,
consume_incomplete=726164680) at ../iconv/skeleton.c:547
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
[Inferior 1 (process 12180) detached]
```
You can find a more detailed error attached as a text file

EXPECTED RESULT
Get access to the network share.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 24.04
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.13
Kernel Version: 6.8.0-45-generic (64-bit)
Graphics Platform: offscreen
Processors: 20 × 12th Gen Intel® Core™ i9-12900HK
Memory: 31.0 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 3050 Ti Laptop GPU/PCIe/SSE2

ADDITIONAL INFORMATION
Note that I'm using an NVIDIA GPU in a Laptop and that the problem doesn't
occur when switching to the Intel GPU by disabling the NVIDIA one.

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