[Poppler-bugs] [Bug 80573] New: Poppler-glib gets into a infinite loop when rendering a page

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80573

          Priority: medium
            Bug ID: 80573
          Assignee: poppler-bugs at lists.freedesktop.org
           Summary: Poppler-glib gets into a infinite loop when rendering
                    a page
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: gpoo at gnome.org
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: glib frontend
           Product: poppler

Created attachment 101828
  --> https://bugs.freedesktop.org/attachment.cgi?id=101828&action=edit
PDF test case

This was reported in GNOME's Bugzilla:
https://bugzilla.gnome.org/show_bug.cgi?id=732271

Poppler gets in a infinite loop when rendering the document attached.
After interrupting poppler-glib-demo, this is the backtrace:

Program received signal SIGINT, Interrupt.
0xb726c4ba in TextBlock::isBeforeByRule1 (this=0x940d698, blk1=0x9081220)
    at TextOutputDev.cc:1738
1738           (this->ExMin <= blk1->ExMax));

Thread 1 (Thread 0xb55f2ac0 (LWP 31946)):
#0  0xb726c4ba in TextBlock::isBeforeByRule1 (this=0x940d698, blk1=0x9081220)
    at TextOutputDev.cc:1738
#1  0xb726c7c3 in TextBlock::visitDepthFirst (this=0x940d698, 
    blkList=0x847daf0, pos1=2898, sorted=0x99a0f80, sortPos=1494, 
    visited=0x99a7fb0) at TextOutputDev.cc:1856
#2  0xb726c6f4 in TextBlock::visitDepthFirst (this=0x9406cf8, 
    blkList=0x847daf0, pos1=2878, sorted=0x99a0f80, sortPos=1494, 
    visited=0x99a7fb0) at TextOutputDev.cc:1874
#3  0xb726c6f4 in TextBlock::visitDepthFirst (this=0x93c5af8, 
    blkList=0x847daf0, pos1=2681, sorted=0x99a0f80, sortPos=1494, 
    visited=0x99a7fb0) at TextOutputDev.cc:1874
#4  0xb726c6f4 in TextBlock::visitDepthFirst (this=0x93c0678, 
    blkList=0x847daf0, pos1=2665, sorted=0x99a0f80, sortPos=1347, 
    visited=0x99a7fb0) at TextOutputDev.cc:1874
#5  0xb726c6f4 in TextBlock::visitDepthFirst (this=0x93bcc60, 
    blkList=0x847daf0, pos1=2654, sorted=0x99a0f80, sortPos=1347, 
    visited=0x99a7fb0) at TextOutputDev.cc:1874
#6  0xb726c6f4 in TextBlock::visitDepthFirst (this=0x93b7298, 
    blkList=0x847daf0, pos1=2637, sorted=0x99a0f80, sortPos=1347, 
    visited=0x99a7fb0) at TextOutputDev.cc:1874

Acroread works fine and renders the document fast.

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