From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Mon, 13 Nov 2023 11:17:43 +0000 (+0100)
Subject: fix id mapping code
X-Git-Url: https://git.proxmox.com/?p=pve-lxc-syscalld.git;a=commitdiff_plain;h=7ecf79161c1dc4f4e8499ec97965176dba827a89

fix id mapping code

this is only used in the quotactl syscall which is not currently
exposed in pve and only affected non-default mappings

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
---

diff --git a/src/process/id_map.rs b/src/process/id_map.rs
index d61d489..2f71953 100644
--- a/src/process/id_map.rs
+++ b/src/process/id_map.rs
@@ -26,7 +26,7 @@ impl IdMap {
     pub fn map_from(&self, id: u64) -> Option<u64> {
         for entry in self.0.iter() {
             if entry.ns <= id && entry.ns + entry.range > id {
-                return Some(id + entry.host);
+                return Some(entry.host + id - entry.ns);
             }
         }