[Mono-bugs] [Bug 562183] [verifier] SIGSEGV in mono_class_init (vtable) on a bad assembly

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Mon Dec 14 15:23:06 EST 2009



--- Comment #1 from Sebastien Pouliot <spouliot at novell.com> 2009-12-14 20:23:05 UTC ---
mono_class_setup_vtable can fail (silently) and won't allocate the vtable field
- cause the above crash.

This patch will set an exception of the class, which will allow mono_class_init
to work properly (and report the bad type).

Index: metadata/class.c
--- metadata/class.c    (revision 148405)
+++ metadata/class.c    (working copy)
@@ -2891,6 +2891,8 @@

     if (ok)
         mono_class_setup_vtable_general (class, overrides, onum);
+    else
+        mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);

     g_free (overrides);

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