[Xen-bugs] [Bug 1404] New: File descriptor leak in function find_cap_offset in file tools/python/xen/util/pci.py

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1404

           Summary: File descriptor leak in function find_cap_offset in file
                    tools/python/xen/util/pci.py
           Product: Xen
           Version: unspecified
          Platform: Unspecified
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Tools
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ajcg@xxxxxxxxxxx


In file tools/python/xen/util/pci.py:528 (of Xen 3.3.0 stable release).  In
function find_cap_offset, a file is opened using the lowlevel 'os.open'.  If
the 'if' statement 3 lines below it is taken then the function is left without
closing the file descriptor.  Eventually this problem causes Xend to use up all
of its file descriptors and become essentially unusable.


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