Your message dated Sun, 26 Oct 2025 18:42:27 +0100
with message-id <[email protected]>
and subject line Re: [DKIM] Bug#1118401: merkaartor: segfault when hitting
download button
has caused the Debian Bug report #1118401,
regarding merkaartor: segfault when hitting download button
to be marked as done.
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--
1118401: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1118401
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: merkaartor
Version: 0.20.0+ds-2+b1
Severity: important
Dear Maintainer,
when starting merkaartor and pressing "Download" it segfaults:
```
LC_ALL=C merkaartor
Detected locale "C" with character encoding "ANSI_X3.4-1968", which is
not UTF-8.
Qt depends on a UTF-8 locale, and has switched to "C.UTF-8" instead.
If this causes problems, reconfigure your locale. See the locale(1) manual
for more information.
0.020 (II) [ merk.Main ] **** "2025-10-19T12:38:07" -- Starting
"Merkaartor 0.20.0"
0.020 (II) [ merk.Main ] ------- "using Qt version 6.9.2 (built with
6.8.2)"
0.020 (II) [ merk.Main ] ------- "using PROJ version 9.7.0"
0.020 (II) [ merk.Main ] ------- "using GDAL version 3.11.3"
0.020 (II) [ merk.Main ] ------- with arguments: QList("merkaartor")
1.148 (II) [ merk.Main ] Loading plugins from directory
"/usr/lib/merkaartor/plugins"
1.148 (II) [ merk.Main ] Loading plugins from directory
"/usr/lib/merkaartor/plugins/background"
1.165 (DD) [ default ] missing
1.165 (DD) [ default ] missing
1.165 (DD) [ default ] missing
1.165 (DD) [ default ] missing
1.165 (DD) [ default ] missing
1.165 (II) [ merk.Main ] Plugin loaded: "libMGdalBackgroundPlugin.so" .
1.168 (II) [ merk.Main ] Plugin loaded:
"libMGeoTiffBackgroundPlugin.so" .
1.170 (II) [ merk.Main ] Plugin loaded:
"libMMsBingMapBackgroundPlugin.so" .
1.202 (DD) [ default ] Looking for translations file: "qt_C"
1.202 (DD) [ default ] Trying directory
"/usr/share/merkaartor/translations"
1.202 (DD) [ default ] Trying directory "/usr/bin"
1.202 (DD) [ default ] Trying directory "/usr/bin/translations"
1.202 (DD) [ default ] Trying directory "/usr/share/qt6/translations"
1.203 (DD) [ default ] Not found.
1.203 (DD) [ default ] Looking for translations file: "merkaartor_C"
1.203 (DD) [ default ] Trying directory
"/usr/share/merkaartor/translations"
1.203 (DD) [ default ] Trying directory "/usr/bin"
1.203 (DD) [ default ] Trying directory "/usr/bin/translations"
1.203 (DD) [ default ] Trying directory "/usr/share/qt6/translations"
1.204 (DD) [ default ] Not found.
1.237 (WW) [ qt.core.qobject.connect ] QObject::connect: No such slot
FeaturesDock::on_Viewport_changed()
1.238 (WW) [ qt.core.qobject.connect ] QObject::connect: (receiver name:
'FeaturesDock')
1.238 (WW) [ qt.core.qobject.connect ] QObject::connect: No such slot
FeaturesDock::on_Viewport_changed()
1.238 (WW) [ qt.core.qobject.connect ] QObject::connect: (sender name:
'MainWindow')
1.238 (WW) [ qt.core.qobject.connect ] QObject::connect: (receiver name:
'FeaturesDock')
1.313 (DD) [ default ] Created layer "Background imagery"
1.314 (DD) [ default ] Created layer "Drawing layer #0"
[1] 174785 segmentation fault LC_ALL=C merkaartor
```
-- System Information:
Debian Release: forky/sid
APT prefers testing
APT policy: (900, 'testing'), (600, 'unstable'), (500, 'unstable-debug'),
(500, 'testing-debug'), (500, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 6.16.9+deb14-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages merkaartor depends on:
ii libc6 2.41-12
ii libexiv2-28 0.28.7+dfsg-2
ii libgcc-s1 15.2.0-4
ii libgdal37 3.11.4+dfsg-1
ii libproj25 9.7.0-1
ii libprotobuf32t64 3.21.12-14
ii libproxy1v5 0.5.11-2
ii libqt6concurrent6 6.9.2+dfsg-2
ii libqt6core5compat6 6.9.2-2
ii libqt6core6t64 6.9.2+dfsg-2
ii libqt6gui6 6.9.2+dfsg-2
ii libqt6network6 6.9.2+dfsg-2
ii libqt6networkauth6 6.9.2-2
ii libqt6printsupport6 6.9.2+dfsg-2
ii libqt6svg6 6.9.2-4
ii libqt6widgets6 6.9.2+dfsg-2
ii libqt6xml6 6.9.2+dfsg-2
ii libstdc++6 15.2.0-4
ii zlib1g 1:1.3.dfsg+really1.3.1-1+b1
merkaartor recommends no packages.
merkaartor suggests no packages.
-- no debconf information
signature.asc
Description: PGP signature
--- End Message ---
--- Begin Message ---
On 10/19/25 9:25 PM, Sebastiaan Couwenberg wrote:
On 10/19/25 12:41 PM, Martin Dosch wrote:
when starting merkaartor and pressing "Download" it segfaults:
I can reproduce this on my system, but since I don't actually use merkaartor,
I'm not going to spend time trying to fix this and tempted to close this
wontfix.
Merkaartor sees very infrequent releases, I can't recommend anyone use it for
their OpenStreetMap work.
A gdb backtrace shows:
Thread 1 "merkaartor" received signal SIGSEGV, Segmentation fault.
0x00005555557c6f9f in makeOsmServer (info=..., manager=...) at
./src/Utils/OsmServer.cpp:135
warning: 135 ./src/Utils/OsmServer.cpp: No such file or directory
(gdb) bt full
#0 0x00005555557c6f9f in makeOsmServer (info=..., manager=...) at
./src/Utils/OsmServer.cpp:135
#1 0x000055555566bc28 in MerkaartorPreferences::getOsmServer
(this=0x555555ef8000) at ./src/Preferences/MerkaartorPreferences.cpp:958
servers = 0x555555ef8498
#2 0x0000555555846112 in downloadOSM (Main=Main@entry=0x7fffffffd930,
aBox=..., theDocument=theDocument@entry=0x555556bdddf0) at
./src/Sync/DownloadOSM.cpp:536
osmWebsite = {d = {d = 0x0, ptr = <optimized out>, size = <optimized
out>}, static _empty = 0 u'\000'}
osmUser = {d = {d = 0x0, ptr = <optimized out>, size = <optimized
out>}, static _empty = 0 u'\000'}
osmPwd = {d = {d = 0x0, ptr = <optimized out>, size = <optimized out>},
static _empty = 0 u'\000'}
DownloadRaw = false
dlg = 0x555556b162a0
server = <error reading variable: Cannot access memory at address
0x191933a467aa9808>
ui = {<Ui_DownloadMapDialog> = {vboxLayout = 0x555556a27dc0, groupBox = 0x7ffff33f1588
<QObject::killTimer(Qt::TimerId)+472>, verticalLayout = 0xfefefefe, hboxLayout = 0x0,
FromBookmark = 0x5555561a0430, Bookmarks = 0xa, FromView = 0x555556b06330, hboxLayout1 =
0x7ffff7a7e6f4, FromLink = 0x555555e3f910, Link = 0x7fffffffc5e0, horizontalLayout_2 = 0x0, FromXapi =
0x19000000b3, edXapiUrl = 0x0, FromMap = 0x191933a467aa9800, horizontalLayout = 0x7ffff37e3078
<vtable for QEvent+16>, IncludeTracks = 0x555556b06330, ResolveRelations = 0x5555561a0430,
buttonBox = 0x7fffffffc7c0}, <No data fields>}
SlippyMap = <optimized out>
Clip = {<QRectF> = {xp = 0, yp = 6.9533487479329694e-310, w =
4.6355708139074908e-310, h = 4.6355707937132492e-310}, <No data fields>}
i = Python Exception <class 'gdb.error'>: value has been optimized out
Python Exception <class 'gdb.error'>: value has been optimized out
{c = {d = {d = {ptr = <optimized out>}}}, i = {i = }, n = {i = }}
OK = <optimized out>
retry = <optimized out>
directAPI = <optimized out>
directUrl = {d = {d = 0x7fffffffc46f, ptr = 0x191933a467aa9800 <error:
Cannot access memory at address 0x191933a467aa9800>, size = 93825005126704},
static _empty = 0 u'\000'}
Looks like this is fixed upstream:
https://github.com/openstreetmap/merkaartor/commit/61fac7791e2c17be946ae54d2f485f02732ac40a
That will be included in the next upstream release, whenever that may be.
Kind Regards,
Bas
--
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--- End Message ---
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