[pbs-devel] [PATCH proxmox-backup 2/3] Userid: fix borrow/deref recursion

Fabian Grünbichler f.gruenbichler at proxmox.com
Thu Oct 8 15:37:19 CEST 2020


not triggered by any current code, but this would lead to a stack
exhaustion since borrow would call deref which would call borrow again..

Signed-off-by: Fabian Grünbichler <f.gruenbichler at proxmox.com>
---
 src/api2/types/userid.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/api2/types/userid.rs b/src/api2/types/userid.rs
index f0a61031..44cd10b7 100644
--- a/src/api2/types/userid.rs
+++ b/src/api2/types/userid.rs
@@ -131,13 +131,13 @@ impl std::ops::Deref for Username {
 
 impl Borrow<UsernameRef> for Username {
     fn borrow(&self) -> &UsernameRef {
-        UsernameRef::new(self.as_str())
+        UsernameRef::new(self.0.as_str())
     }
 }
 
 impl AsRef<UsernameRef> for Username {
     fn as_ref(&self) -> &UsernameRef {
-        UsernameRef::new(self.as_str())
+        self.borrow()
     }
 }
 
@@ -204,13 +204,13 @@ impl std::ops::Deref for Realm {
 
 impl Borrow<RealmRef> for Realm {
     fn borrow(&self) -> &RealmRef {
-        RealmRef::new(self.as_str())
+        RealmRef::new(self.0.as_str())
     }
 }
 
 impl AsRef<RealmRef> for Realm {
     fn as_ref(&self) -> &RealmRef {
-        RealmRef::new(self.as_str())
+        self.borrow()
     }
 }
 
-- 
2.20.1






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