Bug 266316

Application: skanlite (0.4)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-bpo.4-amd64 x86_64
Distribution: Debian GNU/Linux 6.0 (squeeze)

-- Information about the crash:
O aplicativo scanlite fecha inesperadamente ao tentar abrir.

Ambiente com Debian Squeeze

The crash can be reproduced every time.

 -- Backtrace:
Application: Skanlite (skanlite), signal: Aborted
[Current thread is 1 (Thread 0x7effeb212760 (LWP 9352))]

Thread 2 (Thread 0x7effe0299700 (LWP 9353)):
[KCrash Handler]
#5  0x00007effe868a165 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007effe868cf70 in *__GI_abort () at abort.c:92
#7  0x00007effe86c027b in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#8  0x00007effe86c9ad6 in malloc_printerr (action=3, str=0x7effe8780ac8 "double free or corruption (!prev)", ptr=<value optimized out>) at malloc.c:6267
#9  0x00007effe86ce84c in *__GI___libc_free (mem=<value optimized out>) at malloc.c:3739
#10 0x00007effdef048de in operator delete(void*) () from /usr/lib/libstdc++.so.5
#11 0x00007effdef04919 in operator delete[](void*) () from /usr/lib/libstdc++.so.5
#12 0x00007effde51a1ae in port::init_mfp_port_control() () from /usr/lib/sane/libsane-samsung_scx4x21.so.1
#13 0x00007effde51a6b9 in device::init_mfp_port_control() () from /usr/lib/sane/libsane-samsung_scx4x21.so.1
#14 0x00007effde524009 in driver::init_mfp_port_control() () from /usr/lib/sane/libsane-samsung_scx4x21.so.1
#15 0x00007effde524d04 in backend::init(int*, void (*)(char const*, char*, char*)) const () from /usr/lib/sane/libsane-samsung_scx4x21.so.1
#16 0x00007effde5254c1 in sane_samsung_scx4x21_init () from /usr/lib/sane/libsane-samsung_scx4x21.so.1
#17 0x00007effe6507eb0 in ?? () from /usr/lib/libsane.so.1
#18 0x00007effe65081ad in sane_dll_get_devices () from /usr/lib/libsane.so.1
#19 0x00007effea942b14 in ?? () from /usr/lib/libksane.so.0
#20 0x00007effe9a35e15 in ?? () from /usr/lib/libQtCore.so.4
#21 0x00007effe54848ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#22 0x00007effe872702d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#23 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7effeb212760 (LWP 9352)):
#0  0x00007effe871c113 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007effe34858ca in ?? () from /usr/lib/libxcb.so.1
#2  0x00007effe3487c0c in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#3  0x00007effe76cc613 in _XReply () from /usr/lib/libX11.so.6
#4  0x00007effe76c0113 in XSync () from /usr/lib/libX11.so.6
#5  0x00007effe8f3f3d5 in ?? () from /usr/lib/libQtGui.so.4
#6  0x00007effe8f49be3 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#7  0x00007effe8f755a2 in ?? () from /usr/lib/libQtGui.so.4
#8  0x00007effe4bd06f2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#9  0x00007effe4bd4568 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007effe4bd471c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0x00007effe9b4e6b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#12 0x00007effe8f7519e in ?? () from /usr/lib/libQtGui.so.4
#13 0x00007effe9b239c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#14 0x00007effe9b23d9c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#15 0x00007effe938fc5e in QDialog::exec() () from /usr/lib/libQtGui.so.4
#16 0x00007effea944558 in KSaneIface::KSaneWidget::selectDevice(QWidget*) () from /usr/lib/libksane.so.0
#17 0x000000000040b3a0 in _start ()
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi