On branch page

Your branch is up to date with 'origin/page'.
 Changes to be committed:
	modified:   rawpage.cpp

 On branch page
 Your branch is up to date with 'origin/page'.
 Changes to be committed:
	modified:   rawpage.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   rawpage.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   rawpage.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   catalog.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   catalog.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   catalog.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   catalog.cpp

 On branch page
 Your branch is up to date with 'origin/page'.

 Changes to be committed:
	modified:   contrib/pageinspect/rawpage.cpp
	modified:   src/common/backend/catalog/catalog.cpp

contrib/pageinspect/rawpage.cpp

@@ -156,6 +156,12 @@ static bytea* get_raw_page_internal(text* relname, ForkNumber forknum, BlockNumb
     SET_VARSIZE(raw_page, BLCKSZ + VARHDRSZ);
     raw_page_data = VARDATA(raw_page);
 
+    if ((forknum == InvalidForkNumber) || (forknum > INIT_FORKNUM)) {
+        ereport(ERROR,
+            (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+                errmsg("cannot get raw page from stream for Invlid forkname; Valid forknames are \"main\", \"fsm\", \"vm\", \"bcm\", \"init\"")));
+    }
+    
     /* Take a verbatim copy of the page */
 
     buf = ReadBufferExtended(rel, forknum, blkno, RBM_NORMAL, NULL);

src/common/backend/catalog/catalog.cpp

@@ -152,6 +152,10 @@ ForkNumber forkname_to_number(char* forkName, BlockNumber* segno)
 
         subtoken = strtok_r(token, ".", &tmpsubtoken);
         Assert(subtoken != NULL);
+        if (atooid(subtoken)) {
+            return InvalidForkNumber;
+        }
+
         if (strlen(subtoken) == parselen) {
             ereport(ERROR,
                 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),