[Mono-bugs] [Bug 558046] [verifier] SIGSEGV in do_newobj (verify.c) on a bad assembly

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Nov 24 10:43:09 EST 2009



--- Comment #1 from Sebastien Pouliot <spouliot at novell.com> 2009-11-24 15:43:08 UTC ---
This fix the crash but might now be the best fix (wrt FIXME). Note that it's
possible that this test case crash elsewhere (before hitting this condition) as
I'm now running with a few local patches.

Index: mono/metadata/verify.c
--- mono/metadata/verify.c    (revision 146811)
+++ mono/metadata/verify.c    (working copy)
@@ -3943,6 +3943,11 @@

     //FIXME use mono_method_get_signature_full
     sig = mono_method_signature (method);
+    if (!sig) {
+        ADD_VERIFY_ERROR (ctx, g_strdup_printf ("Could not resolve the
signature of constructor token 0x%08x at 0x%04x", token, ctx->ip_offset));
+        return;
+    }
     if (!check_underflow (ctx, sig->param_count))

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