[Mono-bugs] [Bug 423975] New: SIGSEGV in mono_class_is_assignable_from

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Sep 5 19:08:47 EDT 2008


           Summary: SIGSEGV in mono_class_is_assignable_from
           Product: Mono: Runtime
           Version: 2.0
          Platform: x86-64
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: casey.s.marshall at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

Created an attachment (id=238009)
 --> (https://bugzilla.novell.com/attachment.cgi?id=238009)
Test case

Compiling the attached example results in a SIGSEGV in the function
mono_class_is_assignable_from, apparently because one of the types (the
"Foo<T>" type, I think) isn't completely constructed: the interface_bitmap
field is NULL, which is being accessed by the MONO_CLASS_IMPLEMENTS_INTERFACE

This is with the mono-2-0 branch, SVN revision 110293.

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