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-rw-r--r--pkg/sentry/strace/strace.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/sentry/strace/strace.go b/pkg/sentry/strace/strace.go
index af7088847..3ea9c31dd 100644
--- a/pkg/sentry/strace/strace.go
+++ b/pkg/sentry/strace/strace.go
@@ -133,6 +133,9 @@ func dump(t *kernel.Task, addr hostarch.Addr, size uint, maximumBlobSize uint) s
}
func path(t *kernel.Task, addr hostarch.Addr) string {
+ if addr == 0 {
+ return "<null>"
+ }
path, err := t.CopyInString(addr, linux.PATH_MAX)
if err != nil {
return fmt.Sprintf("%#x (error decoding path: %s)", addr, err)