[okular] [Bug 399256] New: Crash when trying to open a DJVU file with Okular

Denis Karpovskii bugzilla_noreply at kde.org
Sun Sep 30 21:07:35 BST 2018 

https://bugs.kde.org/show_bug.cgi?id=399256

            Bug ID: 399256
           Summary: Crash when trying to open a DJVU file with Okular
           Product: okular
           Version: 1.5.1
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: geext29 at gmail.com
  Target Milestone: ---

Application: okular (1.5.1)

Qt Version: 5.11.1
Frameworks Version: 5.50.0
Operating System: Linux 4.18.11-041811-lowlatency x86_64
Distribution: KDE neon User Edition 5.13

-- Information about the crash:
Steps to reproduce:
1. Open a DJVU file with okular
2. See a crash
100% reproducible.
Tried with several djvu files.

System: fully upgraded KDE neon 18.04.

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f03c4d13800 (LWP 6945))]

Thread 4 (Thread 0x7f0398b9e700 (LWP 6955)):
[KCrash Handler]
#6  0x00007f0398cb9862 in DJVU::MMXControl::enable_mmx () at MMX.cpp:183
#7  0x00007f0398cace35 in DJVU::IW44Image::Transform::filter_begin
(w=w at entry=1840, h=h at entry=1866) at IW44Image.cpp:1848
#8  0x00007f0398cace9a in DJVU::IW44Image::Transform::Decode::backward
(p=0x7f03910e9010, w=1840, h=1866, rowsize=rowsize at entry=1856,
begin=begin at entry=32, end=end at entry=16) at IW44Image.cpp:1875
#9  0x00007f0398cae579 in DJVU::IW44Image::Map::image (this=<optimized out>,
subsample=subsample at entry=1, rect=..., img8=img8 at entry=0x7f0391799010 "",
rowsize=rowsize at entry=5286, pixsep=pixsep at entry=3, fast=0) at IW44Image.cpp:845
#10 0x00007f0398caf513 in DJVU::IWPixmap::get_pixmap (this=0x7f038c000ff0,
subsample=1, rect=...) at IW44Image.cpp:1696
#11 0x00007f0398c3e323 in DJVU::DjVuImage::get_bg_pixmap
(this=this at entry=0x7f0394028230, rect=..., subsample=subsample at entry=2,
gamma=gamma at entry=2.2000000000000002, white=...) at DjVuImage.cpp:703
#12 0x00007f0398c411ea in DJVU::DjVuImage::get_pixmap
(this=this at entry=0x7f0394028230, rect=..., subsample=subsample at entry=2,
gamma=gamma at entry=2.2000000000000002, white=...) at DjVuImage.cpp:1076
#13 0x00007f0398c416f6 in DJVU::do_pixmap (dimg=..., get=<optimized out>,
inrect=..., inall=..., gamma=2.2000000000000002, white=...) at
DjVuImage.cpp:1219
#14 0x00007f0398c41d4f in DJVU::DjVuImage::get_pixmap
(this=this at entry=0x7f0394028230, r=..., a=..., g=<optimized out>, w=...) at
DjVuImage.cpp:1232
#15 0x00007f0398cd3f28 in ddjvu_page_render (page=page at entry=0x7f0394001510,
mode=mode at entry=DDJVU_RENDER_COLOR, pagerect=pagerect at entry=0x7f0398b9dbc0,
renderrect=renderrect at entry=0x7f0398b9dbb0, format=0x55ddf6908ac0,
rowsize=6000, imagebuffer=0x7f039207b010 "") at ddjvuapi.cpp:2461
#16 0x00007f0398f3bfc2 in KDjVu::Private::generateImageTile
(this=0x55ddf6871010, djvupage=djvupage at entry=0x7f0394001510,
res=@0x7f0398b9dc94: 0, width=width at entry=1590, row=row at entry=0, xdelta=1500,
height=2461, col=0, ydelta=1500) at ./generators/djvu/kdjvu.cpp:495
#17 0x00007f0398f3f079 in KDjVu::image (this=this at entry=0x55ddf6867cf0, page=0,
width=width at entry=1590, height=height at entry=2461, rotation=rotation at entry=0) at
./generators/djvu/kdjvu.cpp:988
#18 0x00007f0398f37b25 in DjVuGenerator::image (this=0x55ddf64ab540,
request=0x55ddf6471f40) at ./generators/djvu/generator_djvu.cpp:118
#19 0x00007f03a85094c5 in Okular::PixmapGenerationThread::run
(this=0x55ddf6850b20) at ./core/generator_p.cpp:62
#20 0x00007f03c1120aab in QThreadPrivate::start (arg=0x55ddf6850b20) at
thread/qthread_unix.cpp:367
#21 0x00007f03bd9d16db in start_thread (arg=0x7f0398b9e700) at
pthread_create.c:463
#22 0x00007f03c0a1888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f03a9f4b700 (LWP 6947)):
#0  0x00007f03c0a0bbf9 in __GI___poll (fds=0x7f03a4004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f03bb498439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03bb49854c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03c1346a9b in QEventDispatcherGlib::processEvents
(this=0x7f03a4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f03c12eadea in QEventLoop::exec (this=this at entry=0x7f03a9f4ad70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f03c1115b8a in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:525
#6  0x00007f03c178ee45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f03c1120aab in QThreadPrivate::start (arg=0x7f03c1a06d60) at
thread/qthread_unix.cpp:367
#8  0x00007f03bd9d16db in start_thread (arg=0x7f03a9f4b700) at
pthread_create.c:463
#9  0x00007f03c0a1888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f03b2e16700 (LWP 6946)):
#0  0x00007f03c0a0bbf9 in __GI___poll (fds=0x7f03b2e15ca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f03bddf7747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f03bddf936a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f03b5dd7129 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f03c1120aab in QThreadPrivate::start (arg=0x55ddf6237400) at
thread/qthread_unix.cpp:367
#5  0x00007f03bd9d16db in start_thread (arg=0x7f03b2e16700) at
pthread_create.c:463
#6  0x00007f03c0a1888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f03c4d13800 (LWP 6945)):
#0  0x00007f03bd9d79f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fff2b6a93c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55ddf6258dd8,
cond=0x7fff2b6a93a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fff2b6a93a0, mutex=0x55ddf6258dd8) at
pthread_cond_wait.c:655
#3  0x00007f03bddf7952 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f03bddf906f in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007f03bddf9180 in xcb_wait_for_reply () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#6  0x00007f03b5dec3e8 in QXcbWindow::frameMargins() const () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#7  0x00007f03c1da5872 in QWindow::frameMargins() const () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f03c25f47d2 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f03c25f4947 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f03c25f5117 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f03c25f8349 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f03c259be8c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f03c25a345f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f03c12ecab8 in QCoreApplication::notifyInternal2
(receiver=0x55ddf662c8c0, event=0x7fff2b6a9830) at
kernel/qcoreapplication.cpp:1048
#15 0x00007f03c1da130f in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f03c1da1edd in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f03c1d7af0b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f03b5e61edb in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#19 0x00007f03c12eadea in QEventLoop::exec (this=this at entry=0x7fff2b6a99d0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:214
#20 0x00007f03c12f3fa0 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1336
#21 0x000055ddf4d527e7 in main (argc=<optimized out>, argv=<optimized out>) at
./shell/main.cpp:85

Reported using DrKonqi

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