Comment 6 for bug 312989

There is a crash similar on https://bugs.launchpad.net/ubuntu/+source/libcairo/+bug/312989

"Crashing PDF file is http://www.urbanvelo.org/issue11/urbanvelo11.pdf

Scroll through the PDF with spacebar. I didn't fully display the pdf, so I had to scroll through the pages before it automatically switched the pages.

#0 0x00007f15aaaef7a4 in cairo_transform () from /usr/lib/libcairo.so.2
#1 0x00007f15ab900955 in CairoOutputDev::setDefaultCTM (this=0x1470dc0,
    ctm=0x7f159417aab0) at CairoOutputDev.cc:218
 matrix = {xx = 1, yx = 0, xy = 0, yy = -1, x0 = -0, y0 = 594}
#2 0x00007f15a7582a4c in Gfx (this=0x1875340, xrefA=<value optimized out>,
    outA=0x1470dc0, pageNum=46, resDict=<value optimized out>,
    catalogA=<value optimized out>, hDPI=72, vDPI=72, box=0x41c54e20,
    cropBox=0x0, rotate=0, abortCheckCbkA=0, abortCheckCbkDataA=0x0)
    at Gfx.cc:484
No locals.
#3 0x00007f15a75c9b8d in Page::createGfx (this=0x14cbb10, out=0x1470dc0,
    hDPI=72, vDPI=72, rotate=0, useMediaBox=<value optimized out>, crop=0,
    sliceX=<value optimized out>, sliceY=-1, sliceW=-1, sliceH=-1, printing=0,
    catalog=0x1470640, abortCheckCbk=0, abortCheckCbkData=0x0,
    annotDisplayDecideCbk=0, annotDisplayDecideCbkData=0x0) at Page.cc:381
 box = {x1 = 0, y1 = 0, x2 = 495, y2 = 594}
 gfx = (Gfx *) 0x1875340
#4 0x00007f15a75c9e04 in Page::displaySlice (this=0x14cbb10, out=0x1470dc0,
    hDPI=72, vDPI=72, rotate=<value optimized out>, useMediaBox=0, crop=1,
    sliceX=-1, sliceY=-1, sliceW=-1, sliceH=-1, printing=0, catalog=0x1470640,
    abortCheckCbk=0, abortCheckCbkData=0x0, annotDisplayDecideCbk=0,
    annotDisplayDecideCbkData=0x0) at Page.cc:410
 gfx = <value optimized out>
 obj = {type = objNone, {booln = 0, intg = 0, real = 0, string = 0x0,
    name = 0x0, array = 0x0, dict = 0x0, stream = 0x0, ref = {num = 0,
      gen = 0}, cmd = 0x0}}
 annotList = <value optimized out>
 i = <value optimized out>
#5 0x00007f15ab8f917f in _poppler_page_render (page=0x7f159c105ca0,
    cairo=0x1abd3e0, printing=0) at poppler-page.cc:529
 output_dev = (class CairoOutputDev *) 0x1470dc0
 __PRETTY_FUNCTION__ = "void _poppler_page_render(PopplerPage*, cairo_t*, GBool)"
#6 0x00007f15a36cc73d in pdf_document_render (document=<value optimized out>,
    rc=0x7f159c04d240) at ev-poppler.cc:477
 poppler_page = (PopplerPage *) 0x7f159c105ca0
 width_points = 495
 height_points = 594
 width = 608
 height = 729
#7 0x0000000000422d91 in ev_job_render_run (job=0x15c3e30) at ev-jobs.c:512
 job_render = (EvJobRender *) 0x15c3e30
 rc = <value optimized out>
#8 0x0000000000420620 in ev_job_thread_proxy (data=<value optimized out>)
    at ev-job-scheduler.c:183
 job = (EvSchedulerJob *) 0x185e7d0"