GNU bug report logs - #43673
[PATCH] linux-container: Reset jailed root permissions.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jelle Licht <jlicht <at> fsfe.org>
To: guix-patches <at> gnu.org
Subject: [PATCH] linux-container: Reset jailed root permissions.
Date: Mon, 28 Sep 2020 16:34:33 +0200

* gnu/build/linux-container.scm (mount-file-systems): Add 'chmod' call.
---
 gnu/build/linux-container.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gnu/build/linux-container.scm b/gnu/build/linux-container.scm
index 2d4de788df..4a8bed5a9a 100644
--- a/gnu/build/linux-container.scm
+++ b/gnu/build/linux-container.scm
@@ -170,7 +170,8 @@ for the process."
     (pivot-root root put-old)
     (chdir "/")
     (umount "real-root" MNT_DETACH)
-    (rmdir "real-root")))
+    (rmdir "real-root")
+    (chmod "/" #o755)))
 
 (define* (initialize-user-namespace pid host-uids
                                     #:key (guest-uid 0) (guest-gid 0))
-- 
2.28.0

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