[canaries] Removed accidental hardcode

diff --git a/mono/metadata/sgen-gc.h b/mono/metadata/sgen-gc.h
index eaab6399b03f374cfc1b0b54b6a2286d4f063a65..c8f769956cd9e3b5d19d7232fe2d5022563c7a07 100644 (file)
--- a/mono/metadata/sgen-gc.h
+++ b/mono/metadata/sgen-gc.h
@@ -1221,7 +1221,7 @@ gboolean nursery_canaries_enabled (void) MONO_INTERNAL;
                                char* canary_ptr = (char*) (addr) + sgen_safe_object_get_size_unaligned ((MonoObject *) (addr));        \
                                if (!CANARY_VALID(canary_ptr)) {        \
                                        char canary_copy[CANARY_SIZE +1];       \
-                                       strncpy (canary_copy, canary_ptr, 8);   \
+                                       strncpy (canary_copy, canary_ptr, CANARY_SIZE); \
                                        canary_copy[CANARY_SIZE] = 0;   \
                                        g_error ("CORRUPT CANARY:\naddr->%p\ntype->%s\nexcepted->'%s'\nfound->'%s'\n", (char*) addr, ((MonoObject*)addr)->vtable->klass->name, CANARY_STRING, canary_copy);     \
                                } }