[cairo-bugs] [Bug 39880] New: [bisected] Segmentation fault/stack corruption (?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39880

           Summary: [bisected] Segmentation fault/stack corruption (?)
           Product: cairo
           Version: 1.10.3
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: xlib backend
        AssignedTo: cworth at cworth.org
        ReportedBy: ojab at ojab.ru
         QAContact: cairo-bugs at cairographics.org


pixman-0.23.2, cairo git-61c0f67.

1. Set up toolbar layout like on
https://bugs.freedesktop.org/attachment.cgi?id=49726 screenshot (no toolbars
except menu bar, location and search input fields on menu bar) in firefox.
2. Go to http://vk.com/id1
3. Mouse on heart in one of the messages
4. Click "All" in appeared tooltip.
5.
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff2e01d0e in validate (badreg=) at pixman-region.c:1584
1584    {

bisected to 

52e3814824235ff236bc013f9adc85ed85eb8fb8 is the first bad commit
commit 52e3814824235ff236bc013f9adc85ed85eb8fb8
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Jul 24 17:31:39 2011 +0100

    clip: Skip processing of rectangle-intersection if it wholly subsumes the
clip

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

:040000 040000 61bb41c8e457d205cf3cd44fa046ef4a507aee8d
8ce54d01cf39f1a90909d78424a69e348e2c3246 M      src

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