[Bug]: 33.0.3, Ubuntu 24.04, bad alloc crash

[sgofferj]

⚠️ Before submitting, please verify the following: ⚠️

• This is a bug, not a question or a configuration issue.
• This issue is not already reported on Github (I've searched it).
• Nextcloud Server and Desktop Client are up to date. See Server Maintenance and Release Schedule and Desktop Releases for supported versions.
• I agree to follow Nextcloud's Code of Conduct

Bug description

When starting on Ubuntu 24.04, Nextcloud desktop crashes.

Steps to reproduce

Start desktop client

Expected behavior

Nextcloud desktop should start

Which files are affected by this bug

Main app

Operating system

Linux

Which version of the operating system you are running.

Ubuntu 24.04

Package

Official PPA

Nextcloud Server version

32.0.6

Nextcloud Desktop Client version

33.0.2-20260401.075017.54f537e35f-1.0~noble1

Is this bug present after an update or on a fresh install?

Updated from a minor version (ex. 3.16.1 to 3.16.2)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

Are you using an external user-backend?

• Default internal user-backend
• LDAP/ Active Directory
• SSO - SAML
• Other

Nextcloud Server logs

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{"reqId":"saPzpxaYHUUrw1Pj4vdq","level":3,"time":"2026-04-02T05:40:13+00:00","remoteAddr":"192.168.10.1","user":"sgofferj","app":"no app in context","method":"GET","url":"/ocs/v2.php/apps/notifications/api/v2/notifications","scriptName":"/ocs/v2.php","message":"The arguments array must contain 2 items, 1 given in file '/var/www/html/lib/private/L10N/L10NString.php' line 68","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0","version":"32.0.6.1","exception":{"Exception":"Exception","Message":"The arguments array must contain 2 items, 1 given in file '/var/www/html/lib/private/L10N/L10NString.php' line 68","Code":0,"Trace":[{"file":"/var/www/html/lib/private/AppFramework/App.php","line":153,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Notifications\\Controller\\EndpointController"},"listNotifications"]},{"file":"/var/www/html/lib/private/Route/Router.php","line":321,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\Notifications\\Controller\\EndpointController","listNotifications",{"__class__":"OC\\AppFramework\\DependencyInjection\\DIContainer"},{"_route":"ocs.notifications.endpoint.listnotifications","apiVersion":"v2"}]},{"file":"/var/www/html/ocs/v1.php","line":61,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/ocsapp/apps/notifications/api/v2/notifications"]},{"file":"/var/www/html/ocs/v2.php","line":8,"args":["/var/www/html/ocs/v1.php"],"function":"require_once"}],"File":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","Line":150,"Previous":{"Exception":"ValueError","Message":"The arguments array must contain 2 items, 1 given","Code":0,"Trace":[{"file":"/var/www/html/lib/private/L10N/L10NString.php","line":68,"function":"vsprintf","args":["You have %s new unread notification with recent activity on GitHub.|You have %s new unread notifications with recent activity on GitHub.",[1]]},{"file":"/var/www/html/lib/private/L10N/L10N.php","line":107,"function":"__toString","class":"OC\\L10N\\L10NString","type":"->","args":[]},{"file":"/var/www/html/lib/private/L10N/LazyL10N.php","line":38,"function":"n","class":"OC\\L10N\\L10N","type":"->","args":["You have %s new unread notification with recent activity on GitHub.","You have %s new unread notifications with recent activity on GitHub.",1,[1]]},{"file":"/var/www/html/custom_apps/integration_github/lib/Notification/GitHubNotifier.php","line":45,"function":"n","class":"OC\\L10N\\LazyL10N","type":"->","args":["You have %s new unread notification with recent activity on GitHub.","You have %s new unread notifications with recent activity on GitHub.",1,[1]]},{"file":"/var/www/html/lib/private/Notification/Manager.php","line":351,"function":"prepare","class":"OCA\\Github\\Notification\\GitHubNotifier","type":"->","args":[{"__class__":"OC\\Notification\\Notification"},"en_GB"]},{"file":"/var/www/html/apps/notifications/lib/Controller/EndpointController.php","line":105,"function":"prepare","class":"OC\\Notification\\Manager","type":"->","args":[{"__class__":"OC\\Notification\\Notification"},"en_GB"]},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":204,"function":"listNotifications","class":"OCA\\Notifications\\Controller\\EndpointController","type":"->","args":["v2"]},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":118,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Notifications\\Controller\\EndpointController"},"listNotifications"]},{"file":"/var/www/html/lib/private/AppFramework/App.php","line":153,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Notifications\\Controller\\EndpointController"},"listNotifications"]},{"file":"/var/www/html/lib/private/Route/Router.php","line":321,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\Notifications\\Controller\\EndpointController","listNotifications",{"__class__":"OC\\AppFramework\\DependencyInjection\\DIContainer"},{"_route":"ocs.notifications.endpoint.listnotifications","apiVersion":"v2"}]},{"file":"/var/www/html/ocs/v1.php","line":61,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/ocsapp/apps/notifications/api/v2/notifications"]},{"file":"/var/www/html/ocs/v2.php","line":8,"args":["/var/www/html/ocs/v1.php"],"function":"require_once"}],"File":"/var/www/html/lib/private/L10N/L10NString.php","Line":68},"message":"The arguments array must contain 2 items, 1 given in file '/var/www/html/lib/private/L10N/L10NString.php' line 68","exception":{},"CustomMessage":"The arguments array must contain 2 items, 1 given in file '/var/www/html/lib/private/L10N/L10NString.php' line 68"}}

Additional info

Qt: Session management error: None of the authentication protocols specified are supported
nextcloud.gui.application: Migrating old config from "/home/sgofferj/.local/share/Nextcloud" to "/home/sgofferj/.config/Nextcloud"
nextcloud.gui.application: Failed to move the old config directory to its new location ( "/home/sgofferj/.local/share/Nextcloud" to "/home/sgofferj/.config/Nextcloud" )
nextcloud.gui.application: Will move the individual files QList("cura_sync.log", "Dev_sync.log", "Dev_sync.log.1", "Documents_sync.log", "Documents_sync.log.1", "Downloads_sync.log", "kicad_sync.log", "Logseq_sync.log", "MERITAK_sync.log", "QFIELD_sync.log", "Resume_sync.log", "scripts_sync.log")
nextcloud.gui.application: Fallback move of "cura_sync.log" also failed
nextcloud.gui.application: Fallback move of "Dev_sync.log" also failed
nextcloud.gui.application: Fallback move of "Dev_sync.log.1" also failed
nextcloud.gui.application: Fallback move of "Documents_sync.log" also failed
nextcloud.gui.application: Fallback move of "Documents_sync.log.1" also failed
nextcloud.gui.application: Fallback move of "Downloads_sync.log" also failed
nextcloud.gui.application: Fallback move of "kicad_sync.log" also failed
nextcloud.gui.application: Fallback move of "Logseq_sync.log" also failed
nextcloud.gui.application: Fallback move of "MERITAK_sync.log" also failed
nextcloud.gui.application: Fallback move of "QFIELD_sync.log" also failed
nextcloud.gui.application: Fallback move of "Resume_sync.log" also failed
nextcloud.gui.application: Fallback move of "scripts_sync.log" also failed
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Aborted (core dumped)

Cannot create debug archive because client crashes

[nilsding]

Thanks for the bug report.

Can you try running the client with --logdebug --logfile - so we could gain some some more insight at what point the crash happens?
If possible, a stack trace from the crash would be appreciated as well (can be collected e.g. via gdb /usr/bin/nextcloud, run, bt).

[mgallien]

@sgofferj can you report this to the repository where the PPA packaging is maintained ?
that would be there https://github.com/ivaradi/nextcloud-desktop-debian-build
alternatively, what happen if you run the AppImage ? does it crash also ?

[sgofferj]

--logdebug --logfile -

nc-crash.log

[sgofferj]

If possible, a stack trace from the crash would be appreciated as well (can be collected e.g. via gdb /usr/bin/nextcloud, run, bt).

[Thread 0x717ba7fff6c0 (LWP 10253) exited]
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Thread 1 "nextcloud" received signal SIGABRT, Aborted.
Download failed: Invalid argument.  Continuing without source file ./nptl/./nptl/pthread_kill.c.
__pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
warning: 44     ./nptl/pthread_kill.c: No such file or directory
(gdb) bt
#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x0000717bdf44527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x0000717bdf4288ff in __GI_abort () at ./stdlib/abort.c:79
#5  0x0000717bdf8a5ff5 in ??? () at /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x0000717bdf8bb0da in ??? () at /lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x0000717bdf8a5a55 in std::terminate() () at /lib/x86_64-linux-gnu/libstdc++.so.6
#8  0x0000717bdf8bb391 in __cxa_throw () at /lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x0000717bdfca8e45 in qBadAlloc() () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#10 0x0000717bdfcc22c2 in ??? () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#11 0x0000717bdfdf470a in QString::append(QChar const*, long long) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#12 0x0000717bdfdf47c0 in QString::append(QString const&) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#13 0x00005a594c4cc05c in ??? ()
#14 0x00005a594c4ceb54 in ??? ()
#15 0x00005a594c4db994 in ??? ()
#16 0x00005a594c4dc139 in ??? ()
#17 0x0000717bdfd83d9b in ??? () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#18 0x0000717bec516454 in OCC::JsonApiJob::jsonReceived(QJsonDocument const&, int) ()
    at /lib/x86_64-linux-gnu/libnextcloudsync.so.0
#19 0x0000717bec5e88c7 in OCC::JsonApiJob::finished() () at /lib/x86_64-linux-gnu/libnextcloudsync.so.0
#20 0x0000717bec5de24b in OCC::AbstractNetworkJob::slotFinished() () at /lib/x86_64-linux-gnu/libnextcloudsync.so.0
#21 0x0000717bdfd83d9b in ??? () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#22 0x0000717be05541a7 in ??? () at /lib/x86_64-linux-gnu/libQt6Network.so.6
#23 0x0000717bdfd76683 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#24 0x0000717beb78b3b0 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt6Widgets.so.6
#25 0x0000717bdfd38448 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#26 0x0000717bdfd38635 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
    at /lib/x86_64-linux-gnu/libQt6Core.so.6
#27 0x0000717bdff33a8f in ??? () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#28 0x0000717beb514585 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x0000717beb573977 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x0000717beb513a23 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x0000717bdff315ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
    at /lib/x86_64-linux-gnu/libQt6Core.so.6
#32 0x0000717bdfd429a3 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#33 0x0000717bdfd3b35e in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#34 0x00005a594c398cbc in ??? ()
#35 0x0000717bdf42a1ca in __libc_start_call_main
    (main=main@entry=0x5a594c398860, argc=argc@entry=1, argv=argv@entry=0x7ffd6ae98f38)
    at ../sysdeps/nptl/libc_start_call_main.h:58
#36 0x0000717bdf42a28b in __libc_start_main_impl
    (main=0x5a594c398860, argc=1, argv=0x7ffd6ae98f38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd6ae98f28) at ../csu/libc-start.c:360
#37 0x00005a594c3fa4d5 in ??? ()

[sgofferj]

alternatively, what happen if you run the AppImage ? does it crash also ?

I haven't used the AppImage in years because it's pretty unwieldy and autostarting appimages in KDE is a can of worms I try to avoid... I'll try to find it and see what it does.