From cee7e40200b5eba60a5fed04fe006e8b48944fb2 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 12 Dec 2021 11:43:21 +0900
Subject: [PATCH] fstab-generator: do not remount /sys when running in a
 container

Closes #21744.

(cherry picked from commit 18f0eaafd7f180f5d0d2d65349835374146efdb3)

Conflict:NA
Reference:https://github.com/systemd/systemd/commit/cee7e40200b5eba60a5fed04fe006e8b48944fb2
---
 src/fstab-generator/fstab-generator.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/fstab-generator/fstab-generator.c b/src/fstab-generator/fstab-generator.c
index b6582c9538..1dee728233 100644
--- a/src/fstab-generator/fstab-generator.c
+++ b/src/fstab-generator/fstab-generator.c
@@ -601,9 +601,16 @@ static int parse_fstab(bool initrd) {
                 if (!what)
                         return log_oom();
 
-                if (is_device_path(what) && path_is_read_only_fs("/sys") > 0) {
-                        log_info("Running in a container, ignoring fstab device entry for %s.", what);
-                        continue;
+                if (path_is_read_only_fs("/sys") > 0) {
+                        if (streq(what, "sysfs")) {
+                                log_info("Running in a container, ignoring fstab entry for %s.", what);
+                                continue;
+                        }
+
+                        if (is_device_path(what)) {
+                                log_info("Running in a container, ignoring fstab device entry for %s.", what);
+                                continue;
+                        }
                 }
 
                 where = strdup(me->mnt_dir);
-- 
2.33.0