https://bugs.kde.org/show_bug.cgi?id=494799

Muelsyse <muelsysef...@proton.me> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |muelsysef...@proton.me
     Ever confirmed|0                           |1
             Status|REPORTED                    |CONFIRMED

--- Comment #2 from Muelsyse <muelsysef...@proton.me> ---
I can reproduce this with the KCalc 24.08.2 Flatpak on Fedora 41 Beta.
It doesn't have to be in Numerical System Mode, it occurs in Simple mode as
well. All you have to do is type the letter 'i' and it will cause the program
to become unresponsive and in need of termination. Termination produces a core
dump but it doesn't seem to be helpful.

STEPS TO REPRODUCE:
Scenario 1: Open the KCalc program (in Simple mode), type 'i', watch as it
becomes unresponsive.

SOFTWARE/OS VERSIONS:
Operating System: Fedora Kinoite 41 Beta
KDE Plasma Version: 6.2.0
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2

ADDITIONAL INFORMATION:
While journalctl doesn't give much info, there are a few entries of potential
interest

Oct 16 10:36:01 fedora systemd[1657]: Started
app-org.kde.kcalc@9ba059c4b549431fb8e9bdec41fedfa7.service - KCalc - Scientific
Calculator.
Oct 16 10:36:01 fedora systemd[1657]: Started
app-flatpak-org.kde.kcalc-6333.scope.
Oct 16 10:36:01 fedora flatpak[6345]: Detected locale "C" with character
encoding "ANSI_X3.4-1968", which is not UTF-8.
Oct 16 10:36:01 fedora flatpak[6345]: Qt depends on a UTF-8 locale, and has
switched to "C.UTF-8" instead.
Oct 16 10:36:01 fedora flatpak[6345]: If this causes problems, reconfigure your
locale. See the locale(1) manual
Oct 16 10:36:01 fedora flatpak[6345]: for more information.

Here is the core dump given after termination

           PID: 6345 (kcalc)
           UID: 1000 (fatomic)
           GID: 1000 (fatomic)
        Signal: 6 (ABRT)
     Timestamp: Wed 2024-10-16 10:36:33 +08 (9min ago)
  Command Line: kcalc
    Executable: /app/bin/kcalc
 Control Group:
/user.slice/user-1000.slice/user@1000.service/app.slice/app-flatpak-org.kde.kcalc-6333.scope
          Unit: user@1000.service
     User Unit: app-flatpak-org.kde.kcalc-6333.scope
         Slice: user-1000.slice
     Owner UID: 1000 (fatomic)
       Boot ID: 069687c9f5c143d7b25d4f538df6a360
    Machine ID: 2140b13e81ae4fe28398c24ac346e6c8
      Hostname: fedora
       Storage:
/var/lib/systemd/coredump/core.kcalc.1000.069687c9f5c143d7b25d4f538df6a360.6345.1729046193000000.zst
(present)
  Size on Disk: 2.7M
       Message: Process 6345 (kcalc) of user 1000 dumped core.

                Stack trace of thread 2:
                #0  0x000055cb6a589bc1 n/a (/app/bin/kcalc + 0x68bc1)
                #1  0x000055cb6a575e04 n/a (/app/bin/kcalc + 0x54e04)
                #2  0x000055cb6a55175c n/a (/app/bin/kcalc + 0x3075c)
                #3  0x000055cb6a55582c n/a (/app/bin/kcalc + 0x3482c)
                #4  0x00007f611efe55fe n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x1e55fe)
                #5  0x00007f6120532c79 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x332c79)
                #6  0x00007f611efe55fe n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x1e55fe)
                #7  0x00007f612053ed5c n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x33ed5c)
                #8  0x00007f6120541f97 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x341f97)
                #9  0x00007f6120544f05 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x344f05)
                #10 0x00007f6120532bef n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x332bef)
                #11 0x00007f61203fe608 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x1fe608)
                #12 0x00007f612039e3d8 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x19e3d8)
                #13 0x00007f61203a8204 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x1a8204)
                #14 0x00007f611ef82e40 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x182e40)
                #15 0x00007f6120413ac0 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x213ac0)
                #16 0x00007f612039e3d8 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.3 + 0x19e3d8)
                #17 0x00007f611ef82e40 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x182e40)
                #18 0x00007f611f7e145b n/a
(/usr/lib/x86_64-linux-gnu/libQt6Gui.so.6.7.3 + 0x1e145b)
                #19 0x00007f611f8462dc n/a
(/usr/lib/x86_64-linux-gnu/libQt6Gui.so.6.7.3 + 0x2462dc)
                #20 0x00007f611fd31a44 n/a
(/usr/lib/x86_64-linux-gnu/libQt6Gui.so.6.7.3 + 0x731a44)
                #21 0x00007f611e219e59 n/a
(/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.7600.6 + 0x60e59)
                #22 0x00007f611e2772b8 n/a
(/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.7600.6 + 0xbe2b8)
                #23 0x00007f611e217513 n/a
(/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.7600.6 + 0x5e513)
                #24 0x00007f611f27491f n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x47491f)
                #25 0x00007f611ef8fa4b n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x18fa4b)
                #26 0x00007f611ef8bc4d n/a
(/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.3 + 0x18bc4d)
                #27 0x000055cb6a546b52 n/a (/app/bin/kcalc + 0x25b52)
                #28 0x00007f611e83b08a n/a (/usr/lib/x86_64-linux-gnu/libc.so.6
+ 0x2808a)
                #29 0x00007f611e83b14b n/a (/usr/lib/x86_64-linux-gnu/libc.so.6
+ 0x2814b)
                #30 0x000055cb6a549465 n/a (/app/bin/kcalc + 0x28465)
                ELF object binary architecture: AMD x86-64

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