[Mono-bugs] [Bug 79782][Nor] Changed - Runtime segfaulting

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Changed by porges+ximian at porg.es.

http://bugzilla.ximian.com/show_bug.cgi?id=79782

--- shadow/79782	2006-11-01 00:56:52.000000000 -0500
+++ shadow/79782.tmp.20098	2006-11-01 01:03:31.000000000 -0500
@@ -958,6 +958,67 @@
 
 
 ------- Additional Comments From porges+ximian at porg.es  2006-11-01 00:56 -------
 Created an attachment (id=17965)
 test case which segffaults
 
+
+------- Additional Comments From porges+ximian at porg.es  2006-11-01 01:03 -------
+It was really just a lot of recursion (the "bad code" was a
+left-recursive grammar). I've attached a (very) basic test case above.
+
+Output:
+$ mono -v test.exe
+Method (wrapper runtime-invoke)
+System.Object:runtime_invoke_void_string (object,intptr,intptr,intptr)
+emitted at 0x400174f8 to 0x400175c3 (code length 203) [test.exe]
+Method System.OutOfMemoryException:.ctor (string) emitted at
+0x400175c8 to 0x40017600 (code length 56) [test.exe]
+Method System.SystemException:.ctor (string) emitted at 0x40017658 to
+0x40017690 (code length 56) [test.exe]
+Method System.Exception:.ctor (string) emitted at 0x400176c0 to
+0x400176ea (code length 42) [test.exe]
+Method System.Exception:set_HResult (int) emitted at 0x400176f0 to
+0x4001770e (code length 30) [test.exe]
+Method System.NullReferenceException:.ctor (string) emitted at
+0x40017710 to 0x40017743 (code length 51) [test.exe]
+Method System.StackOverflowException:.ctor (string) emitted at
+0x40017748 to 0x4001776a (code length 34) [test.exe]
+Method (wrapper runtime-invoke)
+System.Object:runtime_invoke_void_string[]
+(object,intptr,intptr,intptr) emitted at 0x40018058 to 0x4001811f
+(code length 199) [test.exe]
+Method MainClass:Main (string[]) emitted at 0x40018120 to 0x40018136
+(code length 22) [test.exe]
+Segmentation fault
+
+
+And GDB:
+(gdb) start
+Function "main" not defined.
+Make breakpoint pending on future shared library load? (y or [n]) n
+Starting program: /usr/bin/mono test.exe
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+[Thread debugging using libthread_db enabled]
+[New Thread 47852357255216 (LWP 24865)]
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+(no debugging symbols found)
+[New Thread 1073822032 (LWP 24868)]
+[New Thread 1075988816 (LWP 24869)]
+
+Program received signal SIGSEGV, Segmentation fault.
+[Switching to Thread 47852357255216 (LWP 24865)]
+0x0000000040018124 in ?? ()
+(gdb) bt
+#0  0x0000000040018124 in ?? ()
+Cannot access memory at address 0x7fff2c351ff0
+