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Fix rootless launches with subordinate ID maps

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Resolve and verify canonical caller subordinate ranges, launch preparation and runtime workers through mapped causal acquisition, and keep runsc in the existing user namespace. Repair descriptor-relative OCI cleanup and absent-mount recovery so failed launches can progress to the corrected path.
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ms2k 2026-07-19 19:51:47 +09:00
commit 73e3e9fdee
1 changed files with 1424 additions and 172 deletions
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crates/lazaret-linux/src/process.rs
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@ -22,6 +22,7 @@ pub const PID_FS_MAGIC: i64 = 0x5049_4446;
const BARRIER_RELEASE: &[u8; 32] = b"LAZARET-CAUSAL-BARRIER-RELEASE!!";
pub const PRIVATE_PROCESS_ROLE: &str = "--lazaret-private-process-role";
const WRAPPER_ROLE: &str = "launch-wrapper";
const MAPPED_WRAPPER_ROLE: &str = "mapped-launch-wrapper";
const SIGCHLD_PROBE_ROLE: &str = "sigchld-probe";
static CHILD_BROKER: OnceLock<ChildBroker> = OnceLock::new();