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Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=78877 --- shadow/78877 2006-07-17 07:27:50.000000000 -0400 +++ shadow/78877.tmp.20720 2006-07-17 07:27:50.000000000 -0400 @@ -0,0 +1,97 @@ +Bug#: 78877 +Product: Mono: Runtime +Version: 1.1 +OS: +OS Details: Linux anto 2.6.14.3 #2 PREEMPT Mon Dec 19 16:18:17 CET 2005 i686 Mobile AMD Athlon(tm) XP 3000+ AuthenticAMD GNU/Linux +Status: NEW +Resolution: +Severity: +Priority: Normal +Component: GC +AssignedTo: [EMAIL PROTECTED] +ReportedBy: [EMAIL PROTECTED] +QAContact: [EMAIL PROTECTED] +TargetMilestone: --- +URL: +Cc: +Summary: Can't assign to WeakReference.Target + +Description of Problem: + +The runtime crashes when trying to assign the Target field of a WeakReference. + +Steps to reproduce the problem: + +Compile & execute the following code: + +using System; +class MyClass{ } +class Test +{ + static void Main(string[] argv) + { + WeakReference refe = new WeakReference(null); + refe.Target = new MyClass(); + MyClass obj = (MyClass)refe.Target; + } +} + +Actual Results: + +================================================================= +Got a SIGSEGV while executing native code. This usually indicates +a fatal error in the mono runtime or one of the native libraries +used by your application. +================================================================= + +Stacktrace: + +in (wrapper managed-to-native) +System.Runtime.InteropServices.GCHandle:GetTargetHandle +(object,int,System.Runtime.InteropServices.GCHandleType) <0x4> +in (wrapper managed-to-native) +System.Runtime.InteropServices.GCHandle:GetTargetHandle +(object,int,System.Runtime.InteropServices.GCHandleType) <0xa3> +in System.Runtime.InteropServices.GCHandle:set_Target (object) <0x1b> +in System.WeakReference:set_Target (object) <0x13> +in Test:Main (string[]) <0x46> +in (wrapper runtime-invoke) System.Object:runtime_invoke_void_string[] +(object,intptr,intptr,intptr) <0x50a03027> + +Native stacktrace: + + mono(mono_handle_native_sigsegv+0xc3) [0x81487c3] + mono [0x8134c16] + /lib/libpthread.so.0 [0x4c54f81b] + [0xffffe440] + mono [0x814aa09] + mono [0x814a3bc] + [0xb7731e6a] + [0xb7731ee4] + [0xb7731eac] + [0xb7731c67] + [0xb7731ac3] + mono [0x8134ac0] + mono(mono_runtime_invoke+0x27) [0x80cf647] + mono(mono_runtime_exec_main+0x5a) [0x80d05da] + mono(mono_runtime_run_main+0x19f) [0x80d026f] + mono [0x805d0a1] + mono(mono_main+0x812) [0x805da72] + mono [0x805c42b] + /lib/libc.so.6(__libc_start_main+0xb7) [0x4bc628a7] + mono [0x805c361] + +Expected Results: + +Nothing. + +How often does this happen? + +Always. + +Additional Information: + +Tested on linux with Mono 1.1.13.4 and 1.1.15, and on Windows with +1.1.13.8. It always crashes. + +With Microsoft CLR it works fine. _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
