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-rw-r--r--pkg/sentry/fs/tmpfs/fs.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/sentry/fs/tmpfs/fs.go b/pkg/sentry/fs/tmpfs/fs.go
index 7c91e248b..453ed5bd9 100644
--- a/pkg/sentry/fs/tmpfs/fs.go
+++ b/pkg/sentry/fs/tmpfs/fs.go
@@ -44,7 +44,7 @@ const (
)
// modeRegexp is the expected format of the mode option.
-var modeRegexp = regexp.MustCompile("0[0-7][0-7][0-7]")
+var modeRegexp = regexp.MustCompile("^0?[0-7][0-7][0-7]$")
// Filesystem is a tmpfs.
//