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-rw-r--r--pkg/sentry/fsimpl/sys/sys.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/sentry/fsimpl/sys/sys.go b/pkg/sentry/fsimpl/sys/sys.go
index fe02f7ee9..01ce30a4d 100644
--- a/pkg/sentry/fsimpl/sys/sys.go
+++ b/pkg/sentry/fsimpl/sys/sys.go
@@ -138,7 +138,7 @@ type cpuFile struct {
// Generate implements vfs.DynamicBytesSource.Generate.
func (c *cpuFile) Generate(ctx context.Context, buf *bytes.Buffer) error {
- fmt.Fprintf(buf, "0-%d", c.maxCores-1)
+ fmt.Fprintf(buf, "0-%d\n", c.maxCores-1)
return nil
}