From a184c2b555eb1882657513cbe5341be72579db74 Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <alx@kernel.org>
Date: Thu, 11 Jan 2024 12:19:24 +0100
Subject: [PATCH] lib/idmapping.c: get_map_ranges(): Remove dead code

This test is impossible.  The limits specified in a2ul() already cover
this.

Link: <https://github.com/shadow-maint/shadow/commit/ff2baed5dbf81e8967b805889f565fedb48600df#r136635300>
Cc: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 lib/idmapping.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/idmapping.c b/lib/idmapping.c
index 3f55d8c8..b9107647 100644
--- a/lib/idmapping.c
+++ b/lib/idmapping.c
@@ -80,11 +80,6 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
 			free(mappings);
 			return NULL;
 		}
-		if (m->lower + m->count < m->lower || m->upper + m->count < m->upper) {
-			/* this one really shouldn't be possible given previous checks */
-			fprintf(log_get_logfd(), _( "%s: subuid overflow detected.\n"), log_get_progname());
-			exit(EXIT_FAILURE);
-		}
 	}
 	return mappings;
 }