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Richard Yao
303678350a
These `sprintf()` calls are used repeatedly to write to a buffer. There is no protection against overflow other than reviewers explicitly checking to see if the buffers are big enough. However, such issues are easily missed during review and when they are missed, we would rather stop printing rather than have a buffer overflow, so we convert these functions to use `kmem_scnprintf()`. The Linux kernel provides an entire page for module parameters, so we are safe to write up to PAGE_SIZE. Removing `sprintf()` from these functions removes the last instances of `sprintf()` usage in our platform-independent kernel code. This improves XNU kernel compatibility because the XNU kernel does not support (removed support for?) `sprintf()`. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Jorgen Lundman <lundman@lundman.net> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #14209
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.