Konsole Crashes When Zooming In

[Strbean1]

Steps to reproduce:

1. Open amp in Konsole
2. Use Ctrl+Scroll to Zoom in and out

I either get this error:

user-pc% konsole
HistoryFile::add.write: Bad address
zsh: segmentation fault (core dumped)  konsole

or this:

user-pc% konsole
corrupted size vs. prev_size while consolidating
zsh: abort (core dumped)  konsole

Any idea why this happens? Should I report to KDE instead?

[christoph-heiss]

I managed to recreate the crash, just wildly zooming in and out while Amp is open with a file.

This seems like some sort of memory corruption inside of Konsole. Thus I think reporting to upstream KDE is the way to go, seems like a very weird issue to me.

I've captured multiple backtraces + full core dumps from the crash. If needed, I can gladly chime in on the KDE bugtracker and help figuring this out.

Below is one backtrace, which you can use when reporting to KDE. This was on a fully up-to-date Arch Linux box (konsole 21.04.0).

Backtrace

  kernel: konsole[52891]: segfault at 10 ip 00007fe054a09b84 sp 00007ffdc682ede0 error 4 in libkonsoleprivate.so.21.04.0[7fe0549e7000+cf000]
  kernel: Code: 41 54 55 89 f5 be 08 00 00 00 53 48 83 ec 08 48 8b 07 bf 10 00 00 00 44 8b 20 ff 15 f6 20 10 00 49 8b 4d 00 48 89 c3 8b 41 04 <48> 8b 7b 10 89 43 04 48 8b 41 10 48 01 df 48 63 51 04 48 8d 34 01

  Stack trace of thread 52891:
  #0  0x00007fe054a09b84 n/a (libkonsoleprivate.so.21 + 0x7cb84)
  #1  0x00007fe054a088d4 _ZN7Konsole6Screen16displayCharacterEj (libkonsoleprivate.so.21 + 0x7b8d4)
  #2  0x00007fe054a1d743 n/a (libkonsoleprivate.so.21 + 0x90743)
  #3  0x00007fe0549f7a1a _ZN7Konsole9Emulation11receiveDataEPKci (libkonsoleprivate.so.21 + 0x6aa1a)
  #4  0x00007fe054fcbb76 n/a (libQt5Core.so.5 + 0x2edb76)
  #5  0x00007fe0549e91be _ZN7Konsole3Pty12receivedDataEPKci (libkonsoleprivate.so.21 + 0x5c1be)
  #6  0x00007fe0549ffed7 _ZN7Konsole3Pty12dataReceivedEv (libkonsoleprivate.so.21 + 0x72ed7)
  #7  0x00007fe054fcbb76 n/a (libQt5Core.so.5 + 0x2edb76)
  #8  0x00007fe052a4a13d n/a (libKF5Pty.so.5 + 0x613d)
  #9  0x00007fe052a4aae9 n/a (libKF5Pty.so.5 + 0x6ae9)
  #10 0x00007fe054fcbbb0 n/a (libQt5Core.so.5 + 0x2edbb0)
  #11 0x00007fe054fcf175 _ZN15QSocketNotifier9activatedEiNS_14QPrivateSignalE (libQt5Core.so.5 + 0x2f1175)
  #12 0x00007fe054fcf928 _ZN15QSocketNotifier5eventEP6QEvent (libQt5Core.so.5 + 0x2f1928)
  #13 0x00007fe053f18762 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x15a762)
  #14 0x00007fe054f9481a _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b681a)
  #15 0x00007fe054fedf36 n/a (libQt5Core.so.5 + 0x30ff36)
  #16 0x00007fe052b3b02c g_main_context_dispatch (libglib-2.0.so.0 + 0x5402c)
  #17 0x00007fe052b8eb59 n/a (libglib-2.0.so.0 + 0xa7b59)
  #18 0x00007fe052b38781 g_main_context_iteration (libglib-2.0.so.0 + 0x51781)
  #19 0x00007fe054fed321 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30f321)
  #20 0x00007fe054f9317c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b517c)
  #21 0x00007fe054f9b634 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2bd634)
  #22 0x00007fe0552f6d50 kdemain (libkdeinit5_konsole.so + 0x26d50)
  #23 0x00007fe054b38b25 __libc_start_main (libc.so.6 + 0x27b25)
  #24 0x000055841e22905e n/a (konsole + 0x205e)
  
  Stack trace of thread 52893:
  #0  0x00007fe054c0537f __poll (libc.so.6 + 0xf437f)
  #1  0x00007fe0520c463b n/a (libxcb.so.1 + 0xc63b)
  #2  0x00007fe0520c637b xcb_wait_for_event (libxcb.so.1 + 0xe37b)
  #3  0x00007fe04ed64161 n/a (libQt5XcbQpa.so.5 + 0x5e161)
  #4  0x00007fe054dac08f n/a (libQt5Core.so.5 + 0xce08f)
  #5  0x00007fe0534f8299 start_thread (libpthread.so.0 + 0x9299)
  #6  0x00007fe054c10053 __clone (libc.so.6 + 0xff053)
  
  Stack trace of thread 52895:
  #0  0x00007fe054c0537f __poll (libc.so.6 + 0xf437f)
  #1  0x00007fe052b8eae8 n/a (libglib-2.0.so.0 + 0xa7ae8)
  #2  0x00007fe052b3a593 g_main_loop_run (libglib-2.0.so.0 + 0x53593)
  #3  0x00007fe04d9c6558 n/a (libgio-2.0.so.0 + 0x102558)
  #4  0x00007fe052b690c1 n/a (libglib-2.0.so.0 + 0x820c1)
  #5  0x00007fe0534f8299 start_thread (libpthread.so.0 + 0x9299)
  #6  0x00007fe054c10053 __clone (libc.so.6 + 0xff053)
  
  Stack trace of thread 52894:
  #0  0x00007fe054c0537f __poll (libc.so.6 + 0xf437f)
  #1  0x00007fe052b8eae8 n/a (libglib-2.0.so.0 + 0xa7ae8)
  #2  0x00007fe052b38781 g_main_context_iteration (libglib-2.0.so.0 + 0x51781)
  #3  0x00007fe052b387d2 n/a (libglib-2.0.so.0 + 0x517d2)
  #4  0x00007fe052b690c1 n/a (libglib-2.0.so.0 + 0x820c1)
  #5  0x00007fe0534f8299 start_thread (libpthread.so.0 + 0x9299)
  #6  0x00007fe054c10053 __clone (libc.so.6 + 0xff053)
  
  Stack trace of thread 52896:
  #0  0x00007fe054c0537f __poll (libc.so.6 + 0xf437f)
  #1  0x00007fe052b8eae8 n/a (libglib-2.0.so.0 + 0xa7ae8)
  #2  0x00007fe052b38781 g_main_context_iteration (libglib-2.0.so.0 + 0x51781)
  #3  0x00007fe054fed321 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30f321)
  #4  0x00007fe054f9317c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b517c)
  #5  0x00007fe054daaea2 _ZN7QThread4execEv (libQt5Core.so.5 + 0xccea2)
  #6  0x00007fe0525d0098 n/a (libQt5DBus.so.5 + 0x17098)
  #7  0x00007fe054dac08f n/a (libQt5Core.so.5 + 0xce08f)
  #8  0x00007fe0534f8299 start_thread (libpthread.so.0 + 0x9299)
  #9  0x00007fe054c10053 __clone (libc.so.6 + 0xff053)

[Strbean1]

Thanks for the reply, I made a report here