Blame SOURCES/shadow-4.6-useradd_dont_try_to_create_0_subuids.patch

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diff -up shadow-4.6/src/useradd.c.useradd_dont_try_to_create_0_subuids shadow-4.6/src/useradd.c
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--- shadow-4.6/src/useradd.c.useradd_dont_try_to_create_0_subuids	2021-11-03 11:55:00.189562187 +0100
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+++ shadow-4.6/src/useradd.c	2021-11-03 11:57:34.128658978 +0100
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@@ -2350,7 +2350,7 @@ int main (int argc, char **argv)
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 	}
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 #ifdef ENABLE_SUBIDS
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-	if (is_sub_uid) {
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+	if (is_sub_uid && subuid_count != 0) {
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 		if (find_new_sub_uids(user_name, &sub_uid_start, &sub_uid_count) < 0) {
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 			fprintf (stderr,
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 			         _("%s: can't create subordinate user IDs\n"),
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@@ -2358,7 +2358,7 @@ int main (int argc, char **argv)
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 			fail_exit(E_SUB_UID_UPDATE);
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 		}
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 	}
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-	if (is_sub_gid) {
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+	if (is_sub_gid && subgid_count != 0) {
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 		if (find_new_sub_gids(user_name, &sub_gid_start, &sub_gid_count) < 0) {
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 			fprintf (stderr,
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 			         _("%s: can't create subordinate group IDs\n"),