Re: [PATCH] powerpc/syscall: Fix seccomp errno handling with GENERIC_ENTRY

[Christophe Leroy (CS GROUP)]

Le 26/06/2026 à 09:50, Kees Cook a écrit :
> On Wed, Jun 24, 2026 at 10:45:20PM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:
> > After enabling GENERIC_ENTRY on PowerPC, seccomp filters using
> > SCMP_ACT_ERRNO without an explicit errnoRet value return ENOSYS
> > (Function not implemented) instead of the expected EPERM (Operation
> > not permitted).
>
> Was this noticed by the seccomp_bpf kselftest? (If not, I'd love a
> regression test added for this case...)

Was reported here:

https://lore.kernel.org/all/ajpp-_XnbF3UTM_E@xxxxxxxxxxxxxx/