shithub: gefs

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pack: give a permission error if we have no none user

--- a/pack.c

+++ b/pack.c

@@ -156,6 +156,8 @@

 		u = uid2user(nogroupid);

 	if((m = uid2user(d->muid)) == nil)

 		m = uid2user(noneid);

+	if(u == nil || g == nil || m == nil)

+		error(Eperm);

 	p = buf;

 	nn = strlen(d->name);