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-rw-r--r--pkg/util/utils_linux.go6
1 files changed, 4 insertions, 2 deletions
diff --git a/pkg/util/utils_linux.go b/pkg/util/utils_linux.go
index 288137ca5..1cffab19d 100644
--- a/pkg/util/utils_linux.go
+++ b/pkg/util/utils_linux.go
@@ -39,8 +39,10 @@ func FindDeviceNodes() (map[string]string, error) {
if !ok {
return errors.Errorf("Could not convert stat output for use")
}
- major := sysstat.Rdev / 256
- minor := sysstat.Rdev % 256
+ // We must typeconvert sysstat.Rdev from uint64->int to avoid constant overflow
+ rdev := int(sysstat.Rdev)
+ major := ((rdev >> 8) & 0xfff) | ((rdev >> 32) & ^0xfff)
+ minor := (rdev & 0xff) | ((rdev >> 12) & ^0xff)
nodes[fmt.Sprintf("%d:%d", major, minor)] = path