[cairo-bugs] [Bug 54822] crash in cairo-tor-scan-converter while opening a pdf

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54822

Uli Schlachter <psychon at znc.in> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|x86 (IA32)                  |All

--- Comment #1 from Uli Schlachter <psychon at znc.in> 2012-09-14 08:51:13 UTC ---
The file loads fine here. I have to zoom out to make it crash. The crash is a
NULL pointer dereference in dec(), the struct edge *e argument is NULL.

git bisect unhelpfully points at the new compositor architecture (Why does that
commit remove asserts from the scan converter?):

git bisect start
# good: [0540bf384aed344899417d3b0313bd6704679c1c] ps: improve formatting of
fallback image comment
git bisect good 0540bf384aed344899417d3b0313bd6704679c1c
# bad: [65a954d5bab9ab6fed15bd98b7018aca2fc50107] test-surfaces: compilation
fixes
git bisect bad 65a954d5bab9ab6fed15bd98b7018aca2fc50107
# skip: [af9fbd176b145f042408ef5391eef2a51d7531f8] Introduce a new compositor
architecture
git bisect skip af9fbd176b145f042408ef5391eef2a51d7531f8

_cairo_debug_print_polygon() against the polygon that causes this produces
something which doesn't look correct in show-polygon, which means the error
might be elsewhere.

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