[Webkit-unassigned] [Bug 56552] New: When NSplugins are enabled there is a stack corruption on linux

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=56552

           Summary: When NSplugins are enabled there is a stack corruption
                    on linux
           Product: WebKit
           Version: 419.x
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: lehrig at t-online.de


Created an attachment (id=86041)
 --> (https://bugs.webkit.org/attachment.cgi?id=86041&action=review)
>From valgrind output

Using QWebView in an application.

When netscape plugins are enabled there is a problem on linux (openSUSE 11.4)
On Windows it works as expected.

It seems to be a stack corruption caused by the netscape plugin.
After the error message our application runs into some problems.
When plugins are disabled everything is ok.

I have seen this issue on older bug reports i have found with google.
But obviously it has not been solved yet.

I attach output from valgrind.

See:
*** NSPlugin Wrapper *** WARNING:(/usr/src/packages/BUILD/nspluginwrapper-1.3.0/src/npw-wrapper.c:3160):invoke_NP_Initialize: assertion failed: (rpc_method_invoke_possible(g_rpc_connection))
*** NSPlugin Viewer  *** WARNING: unhandled variable 18 (<unknown variable>) in NPN_GetValue()
*** NSPlugin Wrapper *** WARNING: unhandled variable 18 in NPP_GetValue()

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