summary refs log tree commit diff
diff options
context:
space:
mode:
authorPaul Garlick <pgarlick@tourbillion-technology.com>2020-12-03 16:00:18 +0000
committerPaul Garlick <pgarlick@tourbillion-technology.com>2020-12-03 16:25:45 +0000
commit8bc5ca5160db3d82bd5b6b2b7ed80c96f42bd33e (patch)
treeda8b8dd79e0b5b45d4f6d18bfb38a37ed952b0ca
parent0d5d1bdf911659f60601058e8e1678187b7ba664 (diff)
downloadguix-8bc5ca5160db3d82bd5b6b2b7ed80c96f42bd33e.tar.gz
linux-container: Correct test for unprivileged user namespace support.
Fixes <https://bugs.gnu.org/31977>.
Reported by Paul Garlick <pgarlick@tourbillion-technology.com>.

* gnu/build/linux-container.scm (unprivileged-user-namespace-supported?):
Return #f when the 'userns-file' does not exist.
-rw-r--r--gnu/build/linux-container.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/build/linux-container.scm b/gnu/build/linux-container.scm
index 4a8bed5a9a..3870b50907 100644
--- a/gnu/build/linux-container.scm
+++ b/gnu/build/linux-container.scm
@@ -44,7 +44,7 @@
   (let ((userns-file "/proc/sys/kernel/unprivileged_userns_clone"))
     (if (file-exists? userns-file)
         (eqv? #\1 (call-with-input-file userns-file read-char))
-        #t)))
+        #f)))
 
 (define (setgroups-supported?)
   "Return #t if the setgroups proc file, introduced in Linux-libre 3.19,