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d954ca19ba
Coverity complains about a "use-after-free" bug in `dbuf_prefetch_indirect_done()` because we use a pointer value after freeing its buffer. The pointer is used for refcounting in ARC (as the reference holder). There is a theoretical situation where the pointer would be reused in a way that causes the refcounting to collide, so we change the order in which we call arc_buf_destroy() and dbuf_prefetch_fini() to match the rest of the function. This prevents the theoretical situation from being a possibility. Also, we have a few return statements with a value, despite this being a void function. We clean those up while we are making changes here. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Neal Gompa <ngompa@datto.com> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #13869 |
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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 12.2-RELEASE.