From d7cb7029c8001d868375ee7fe69b5b87e4715564 Mon Sep 17 00:00:00 2001 From: Thomas Winkler Date: Fri, 10 Nov 2023 22:48:59 +0100 Subject: [PATCH] base-files: fix uid/gid auto-enumeration to avoid 16-bit limit uid/gid range should be limited to 16bit unsigned integer range to avoid "wraparound" issues with permissions where jffs2 is employed for storage and chown 65536 (first auto-created user) becomes equivalent to chown 0 Fixes: #13927 Signed-off-by: Thomas Winkler (cherry picked from commit 140b48a9e93909873bee777ca5bdf49fe4f01271) Link: https://github.com/openwrt/openwrt/pull/15898 Signed-off-by: Hauke Mehrtens --- package/base-files/files/lib/functions.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh index 50aed53b06..c688ac77ee 100644 --- a/package/base-files/files/lib/functions.sh +++ b/package/base-files/files/lib/functions.sh @@ -371,7 +371,7 @@ group_add_next() { return fi gids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/group) - gid=65536 + gid=32768 while echo "$gids" | grep -q "^$gid$"; do gid=$((gid + 1)) done @@ -402,7 +402,7 @@ user_add() { local rc [ -z "$uid" ] && { uids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/passwd) - uid=65536 + uid=32768 while echo "$uids" | grep -q "^$uid$"; do uid=$((uid + 1)) done -- 2.25.1