[Xcb] [Bug 72253] New: Test the value of msg_controllen for platforms whose CMSG_FIRSTHDR() does not test it for us.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72253

          Priority: medium
            Bug ID: 72253
          Assignee: xcb at lists.freedesktop.org
           Summary: Test the value of msg_controllen for platforms whose
                    CMSG_FIRSTHDR() does not test it for us.
        QA Contact: xcb at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Mac OS X (All)
          Reporter: pho at cielonegro.org
          Hardware: All
            Status: NEW
           Version: 1.9.3
         Component: Library
           Product: XCB

Created attachment 90138
  --> https://bugs.freedesktop.org/attachment.cgi?id=90138&action=edit
The patch to fix the problem.

As RFC 2292 points out, some platforms (e.g. Darwin 9.8.0) provide
CMSG_FIRSTHDR(msg) which just returns msg.msg_control without first checking if
msg.msg_controllen is non-zero. We need a workaround for such platforms not to
let _xcb_in_read() segfault.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/xcb/attachments/20131203/aec88fca/attachment.html>