odp-util: Fix abort while formatting nsh actions.

OVS should not exit if it cannot format NSH actions for the user. It should just report the error like the other formatting functions do. Credit to OSS-Fuzz. Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21509 Fixes: 1fc11c5 ("Generic encap and decap support for NSH") Signed-off-by: Ilya Maximets <[email protected]> Acked-by: Mark Gray <[email protected]>
fnordahl · Jan 21, 2021 · e7eb904 · e7eb904
1 parent 50e5523
commit e7eb904
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/odp-util.c b/lib/odp-util.c
@@ -391,7 +391,8 @@ format_odp_push_nsh_action(struct ds *ds,
         break;
     }
     default:
-        OVS_NOT_REACHED();
+        ds_put_cstr(ds, ",<error: unknown mdtype>");
+        break;
     }
     ds_put_format(ds, ")");
 }