Download/criu/4.3

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Tarball:	criu-4.3.tar.gz
Version:	4.3
Released:
GIT tag:	v4.3

New features

• Memory compression: Support for LZ4 memory page and block compression with multi-threaded decompression
• Support for AArch64 / ARM64 Guarded Control Stack (GCS)
• Parallelize memfd and anonymous shared memory content restore via async daemon (asyncd)
• Restorer: Restore VMA pages with Linux native AIO
• Add --image-io-mode option to support O_DIRECT reads/writes for pages images
• plugins/amdgpu: Support checkpoint and restore of DRM buffer objects and DMA-BUF file descriptors
• Support for Linux kernel binfmt_misc sandboxing
• Add UPDATE_INETSK hook for socket address rewrite during restore
• crit: Add offline compress and decompress commands for memory images
• criu: Add collection and restoration of timer_slack_ns per thread

Bugfixes

• restore: Fix exit code and wait status truncation for zombie processes
• restorer/pagemap: Detect EOF on truncated pages file to prevent infinite loops
• file-lock: Fix type confusion in broken read lease restore
• soccr: Restore TCP_REPAIR_WINDOW before TCP_SEND_QUEUE to avoid window collapse
• sk-queue: Fix SCM restore for packets containing both SCM_RIGHTS and SCM_CREDENTIALS
• sk-unix: Fix mutex deadlock on connect failure in standalone restore
• pipes: Restore pipe ownership to fix /proc/self/fd access permissions
• compel: Fix heap alignment for structs with XSAVE state
• fsnotify: Fix memory and file descriptor leaks in inotify/fanotify error paths
• pycriu: Fix self-dump failure when explicit PID is provided

Improvements

• compel/infect: Optimize task interception and stop tasks without hardware breakpoints
• restorer: Switch thread synchronization to atomic operations
• restore: Parallelize task stopping in attach_to_tasks and catch_tasks
• fsnotify: Add overlayfs directory walk fallback for inotify watches
• sockets: Support dumping and restoring ucred for Unix and Netlink sockets
• coredump: Enable coredump generation on riscv64
• contrib: Add reference client and test suite for criu-service
• docs: Major overhaul and export of "Under the Hood" architecture documentation
• ci: Consolidate test workflows, shard test suites, and add Lima-based kernel test jobs