On 11 Jul 2024, at 11:28, Chuck Lever wrote: > On Thu, Jul 11, 2024 at 11:24:01AM -0400, Benjamin Coddington wrote: >> The GSS routine errors are values, not flags. > > My reading of kernel and user space GSS code is that these are > indeed flags and can be combined. The definitions are found in > include/linux/sunrpc/gss_err.h: > > To wit: > > 116 /* > 117 * Routine errors: > 118 */ > 119 #define GSS_S_BAD_MECH (((OM_uint32) 1ul) << GSS_C_ROUTINE_ERROR_OFFSET) > 120 #define GSS_S_BAD_NAME (((OM_uint32) 2ul) << GSS_C_ROUTINE_ERROR_OFFSET) I read this as just values shifted left by a constant. No where in-kernel are they bitwise combined. I noticed this problem in practice while reading the tracepoint output from corrupted GSS hash routines. Ben