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e7f9734bc7
The Zstd context mempool can reuse buffers that were previously poisoned under AddressSanitizer, leading to false-positive use-after-poison reports during zloop and other stress tests. Explicitly unpoison memory when handing buffers out to Zstd and poison the user-visible region again when buffers are returned to the pool. This makes the allocator ASan-correct while preserving existing pooling behavior. Also fix non-standard void * pointer arithmetic in zstd_free() and remove an early return in zstd_dctx_alloc() so kmem_type/kmem_size are always set on pool hits. This only affects ASan bookkeeping in user space, does not change runtime behavior in non-ASan configurations, and does not affect on-disk formats. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Moch <mail@alexmoch.com> Closes #18089 |
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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.