[Mono-bugs] [Bug 659827] New: Mono.Tasklets.Continuation: randomly generate an Invalid stack frame exception

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Dec 15 23:43:50 EST 2010



           Summary: Mono.Tasklets.Continuation: randomly generate an
                    Invalid stack frame exception
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.8.x
          Platform: x86
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: virgile.bello at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US)
AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.224 Safari/534.10

Randomly, when using Continuation.Mark, Mono throws an Invalid stack frame
This is due to ctx and new_ctx not being initialized in
As a result, depending on random memory content, sometimes mono_find_jit_info
happens to find a function matching the random ctx.esp (which should be

Simple fix is to add in continuation_mark_frame:
ctx.eip = 0;
new_ctx.eip = 0;

Reproducible: Sometimes

Steps to Reproduce:
1. Could not reproduce a simple test case (depends on uninitialized data)

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