Your message dated Wed, 03 Jun 2026 19:49:19 +0000
with message-id <[email protected]>
and subject line Bug#1130779: fixed in transmission 4.1.2+dfsg-1
has caused the Debian Bug report #1130779,
regarding transmission-gtk: Crashes with `unordered_map::at` when interacting
with scheduled speed limits in preferences
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1130779: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130779
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: transmission-gtk
Version: 4.1.1+dfsg-1~bpo13+1
Severity: normal
X-Debbugs-Cc: [email protected]
Dear Maintainer,
**transmission-gtk crashes with `unordered_map::at` when interacting with
scheduled speed limits in preferences**
I upgraded to the backports version (4.1.1) because the trixie main package
(4.1.0~beta2) was missing the transmission icon in the dash-to-panel GNOME
extension. Unfortunately 4.1.1 introduces this crash.
# Steps to reproduce
1. Open transmission-gtk with active torrents
2. Open Edit > Preferences > Speed
3. Interact repeatedly with any control in the "Scheduled times" section
(checkbox, start time, end time, day-of-week)
4. Crash occurs, sometimes after a few interactions
The crash also occurs when the scheduled time fires automatically.
This feature is especially useful where metered data includes
differently-priced "night-owl" data.
# Expected behaviour
Scheduled speed limit controls should work without crashing.
# Actual behaviour
```
** (transmission-gtk:XXXXX): ERROR **: unhandled exception (type
std::exception) in signal handler:
what: unordered_map::at
Trace/breakpoint trap
```
# Backtrace
Obtained via `gdb -ex "catch throw" -ex run --args transmission-gtk`, with
debug symbols from the `trixie-backports-debug` repository:
```
#0 __cxa_throw () from libstdc++.so.6
#1 std::__throw_out_of_range(char const*) () from libstdc++.so.6
#2 std::__detail::_Map_base<...>::at (this=<key_to_action>) at
hashtable_policy.h:399
#3 std::unordered_map<Glib::ustring, std::shared_ptr<Gio::SimpleAction>>::at
(...)
at unordered_map.h:1005
#4 (anonymous namespace)::get_action (name=...) at ./gtk/Actions.cc:181
#5 gtr_action_set_toggled (name=..., is_toggled=false) at
./gtk/Actions.cc:198
#6 Application::Impl::on_prefs_changed (this=..., key=...) at
./gtk/Application.cc:1301
#7 sigc::signal emit
#8 Session::Impl::commit_prefs_change (...) at ./gtk/Session.cc:1148
```
# Notes
`Actions.cc:183` has no missing-key guard:
```
$ grep -n 'key_to_action.at\|key_to_action.find' gtk/Actions.cc
183: return key_to_action.at(name);
```
The action is registered under a hyphenated name in `Actions.cc`, but
`Application.cc` looks it up via the raw libtransmission quark string (which
uses underscores):
```
$ grep -n 'alt.speed.enabled' gtk/Actions.cc gtk/Application.cc
Actions.cc:73: "alt-speed-enabled"sv,
Application.cc:1302: case TR_KEY_alt_speed_enabled:
Application.cc:1306:
gtr_action_set_toggled(std::string(tr_quark_get_string_view(key)), b);
```
# Workaround
Do not use the scheduled times feature until this is fixed.
## Version information
- transmission-gtk 4.1.1+dfsg-1~bpo13+1 (Debian trixie-backports) — **affected**
- transmission-gtk 4.1.0~beta2+dfsg-3+deb13u1 (Debian trixie main) — not
reproduced
- Both packages link against the same GTK4 4.18.6 and libglibmm-2.68
- Debian trixie (x86_64)
-- System Information:
Debian Release: 13.4
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500,
'stable-debug'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 6.12.74+deb13+1-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_ZA.UTF-8, LC_CTYPE=en_ZA.UTF-8 (charmap=UTF-8),
LANGUAGE=en_ZA:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages transmission-gtk depends on:
ii libb64-0d 1.2-5+b3
ii libc6 2.41-12+deb13u2
ii libcurl4t64 8.14.1-2+deb13u2
ii libdeflate0 1.23-2
ii libevent-core-2.1-7t64 2.1.12-stable-10+b1
ii libevent-extra-2.1-7t64 2.1.12-stable-10+b1
ii libgcc-s1 14.2.0-19
ii libglib2.0-0t64 2.84.4-3~deb13u2
ii libglibmm-2.68-1t64 2.84.0-1
ii libgtk-4-1 4.18.6+ds-2
ii libgtkmm-4.0-0 4.18.0-1
ii libminiupnpc18 2.2.8-2+b2
ii libnatpmp1t64 20230423-1.2+b3
ii libpangomm-2.48-1t64 2.56.1-1
ii libpsl5t64 0.21.2-1.1+b1
ii libsigc++-3.0-0 3.6.0-2+b1
ii libssl3t64 3.5.5-1~deb13u1
ii libstdc++6 14.2.0-19
ii transmission-common 4.1.1+dfsg-1~bpo13+1
Versions of packages transmission-gtk recommends:
ii xdg-utils 1.2.1-2
transmission-gtk suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: transmission
Source-Version: 4.1.2+dfsg-1
Done: Alexandre Rossi <[email protected]>
We believe that the bug you reported is fixed in the latest version of
transmission, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Alexandre Rossi <[email protected]> (supplier of updated transmission package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Wed, 03 Jun 2026 08:15:41 +0200
Source: transmission
Architecture: source
Version: 4.1.2+dfsg-1
Distribution: unstable
Urgency: medium
Maintainer: Leo Antunes <[email protected]>
Changed-By: Alexandre Rossi <[email protected]>
Closes: 1130779
Changes:
transmission (4.1.2+dfsg-1) unstable; urgency=medium
.
[ Luca Boccassi ]
* Migrate from adduser to sysusers.d/tmpfiles.d
.
[ Alexandre Rossi ]
* New upstream version 4.1.2+dfsg (Closes: #1130779)
* declare compliance to policy 4.7.4 (no change)
* adjust qt6-svg-dev build dependency
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Git-Tag-Tagger: Barak A. Pearlmutter <[email protected]>
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