Bug 459504

Application: skanlite (22.04.3)
 (Compiled from sources)
Qt Version: 5.15.3
Frameworks Version: 5.95.0
Operating System: Linux 5.17.0-1016-oem x86_64
Windowing System: X11
Distribution: Ubuntu 22.04.1 LTS
DrKonqi: 5.24.5 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
Restart the application

- Unusual behavior I noticed:
Pop-up and keep notifying that the Skanlite crash

The crash can be reproduced sometimes.

-- Backtrace:
Application: Skanlite (skanlite), signal: Aborted

[KCrash Handler]
#4  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140239381341760) at ./nptl/pthread_kill.c:44
#5  __pthread_kill_internal (signo=6, threadid=140239381341760) at ./nptl/pthread_kill.c:78
#6  __GI___pthread_kill (threadid=140239381341760, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#7  0x00007f8c1302b476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007f8c130117f3 in __GI_abort () at ./stdlib/abort.c:79
#9  0x00007f8c130726f6 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f8c131c4943 "*** %s ***: terminated\n") at ../sysdeps/posix/libc_fatal.c:155
#10 0x00007f8c1311f76a in __GI___fortify_fail (msg=msg@entry=0x7f8c131c48e9 "buffer overflow detected") at ./debug/fortify_fail.c:26
#11 0x00007f8c1311e0c6 in __GI___chk_fail () at ./debug/chk_fail.c:28
#12 0x00007f8c1306a95f in _IO_str_chk_overflow (fp=<optimized out>, c=<optimized out>) at ./libio/iovsprintf.c:35
#13 0x00007f8c13076eb4 in __GI__IO_default_xsputn (n=<optimized out>, data=<optimized out>, f=<optimized out>) at ./libio/genops.c:399
#14 __GI__IO_default_xsputn (f=0x7f8c06818600, data=<optimized out>, n=15) at ./libio/genops.c:370
#15 0x00007f8c1306008c in outstring_func (done=17, length=15, string=0x7f8c06818870 "192.168.254.126", s=0x7f8c06818600) at ../libio/libioP.h:947
#16 __vfprintf_internal (s=s@entry=0x7f8c06818600, format=format@entry=0x7f8bf1ea7142 "%s_%s", ap=ap@entry=0x7f8c06818740, mode_flags=mode_flags@entry=6) at ./stdio-common/vfprintf-internal.c:1517
#17 0x00007f8c1306aa09 in __vsprintf_internal (string=0x7f8bfc042e70 "MF642C/643C/644C_192.168.254.12", maxlen=<optimized out>, format=0x7f8bf1ea7142 "%s_%s", args=args@entry=0x7f8c06818740, mode_flags=6) at ./libio/iovsprintf.c:95
#18 0x00007f8c1311dbe1 in ___sprintf_chk (s=<optimized out>, flag=<optimized out>, slen=<optimized out>, format=<optimized out>) at ./debug/sprintf_chk.c:40
#19 0x00007f8bf1e89e36 in ?? () from /usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1
#20 0x00007f8bf1ea5983 in ?? () from /usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1
#21 0x00007f8bf1ea62f6 in sanei_bjnp_find_devices () from /usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1
#22 0x00007f8bf1e9701f in sanei_pixma_collect_devices () from /usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1
#23 0x00007f8bf1e95055 in sane_pixma_get_devices () from /usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1
#24 0x00007f8c12fb6d3a in sane_dll_get_devices () from /lib/x86_64-linux-gnu/libsane.so.1
#25 0x00007f8c14f37476 in ?? () from /lib/x86_64-linux-gnu/libKF5Sane.so.5
#26 0x00007f8c13507ca1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f8c1307db43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#28 0x00007f8c1310fa00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f8c0cd09640 (LWP 15818) "QDBusConnection"):
#1  0x00007f8c11e8c185 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8c11e8d7eb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8c11ee25c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8c11e8b3c3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8c1374e12e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8c136f375b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8c13506af2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8c148b0f0b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f8c13507ca1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8c1307db43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007f8c1310fa00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f8c0e5eb640 (LWP 15817) "QXcbEventQueue"):
#1  0x00007f8c117587e2 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8c1175a22c in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8c0e730d08 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8c13507ca1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8c1307db43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007f8c1310fa00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f8c0edcb9c0 (LWP 15816) "skanlite"):
#1  0x00007f8c11ee2696 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8c11e8b3c3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8c1374e12e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8c136f375b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8c143f74e2 in QDialog::exec() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x00007f8c14f3fdb1 in KSaneIface::KSaneWidget::selectDevice(QWidget*) () from /lib/x86_64-linux-gnu/libKF5Sane.so.5
#7  0x0000561bd87ce5f6 in ?? ()
#8  0x00007f8c13012d90 in __libc_start_call_main (main=main@entry=0x561bd87cbd00, argc=argc@entry=1, argv=argv@entry=0x7ffda8574bb8) at ../sysdeps/nptl/libc_start_call_main.h:58
#9  0x00007f8c13012e40 in __libc_start_main_impl (main=0x561bd87cbd00, argc=1, argv=0x7ffda8574bb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffda8574ba8) at ../csu/libc-start.c:392
#10 0x0000561bd87cecc5 in ?? ()
[Inferior 1 (process 15816) detached]

Reported using DrKonqi