[cairo-bugs] [Bug 91967] Assertion "(_cairo_atomic_int_get (&(&surface->ref_count)->ref_count) > 0)"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91967

--- Comment #19 from Jaroslav Škarvada <jskarvad at redhat.com> ---
Adding image = NULL fixes the problem, because the second free doesn't happen,
i.e. the following check in cairo_surface.c:949 returns

if (surface == NULL ||
  CAIRO_REFERENCE_COUNT_IS_INVALID (&surface->ref_count))
return

AFAICS the &image->base is pointer to the same memory as image, it's just
different pointer type. Maybe there is a better fix, e.g. to just BAIL or
return some error, but this problem needs definitely to be fixed. Just ignoring
it will not help anyone.

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