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Richard Yao d8a33bc0a5
icp: Use explicit_memset() exclusively in gcm_clear_ctx() 
d634d20d1b had been intended to fix a
potential information leak issue where the compiler's optimization
passes appeared to remove `memset()` operations that sanitize sensitive
data before memory is freed for use by the rest of the kernel.

When I wrote it, I had assumed that the compiler would not remove the
other `memset()` operations, but upon reflection, I have realized that
this was a bad assumption to make. I would rather have a very slight
amount of additional overhead when calling `gcm_clear_ctx()` than risk a
future compiler remove `memset()` calls. This is likely to happen if
someone decides to try doing link time optimization and the person will
not think to audit the assembly output for issues like this, so it is
best to preempt the possibility before it happens.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Signed-off-by: Richard Yao <richard@ryao.dev>
Closes #17343
2025-05-19 10:04:05 -07:00
.github runners: Add option to install custom kernel on Fedora 2025-05-13 14:43:35 -07:00
cmd Wire O_DIRECT also to Uncached I/O (#17218) 2025-05-13 14:26:55 -07:00
config Support using llvm-libunwind 2025-04-24 13:58:48 -04:00
contrib Introduce zfs rewrite subcommand (#17246) 2025-05-12 10:22:17 -07:00
etc SPDX: license tags: MIT 2025-03-13 17:56:54 -07:00
include Increase meta-dnode redundancy in "some" mode 2025-05-16 13:23:32 -04:00
lib Cause zpool scan resume commands to get logged in history 2025-05-16 13:19:04 -04:00
man Increase meta-dnode redundancy in "some" mode 2025-05-16 13:23:32 -04:00
module icp: Use explicit_memset() exclusively in gcm_clear_ctx() 2025-05-19 10:04:05 -07:00
rpm RPM: Hold back incompatible kernel packages on Fedora 2025-04-30 10:52:20 -07:00
scripts update_authors: output possible mailmap additions 2025-05-13 09:24:03 -07:00
tests Wire O_DIRECT also to Uncached I/O (#17218) 2025-05-13 14:26:55 -07:00
udev vdev_id: symlinks creation for multipath disk partitions (#17331) 2025-05-13 13:49:13 -07:00
.cirrus.yml Update FreeBSD CI images 2025-03-13 13:31:31 -04:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
.mailmap AUTHORS/mailmap: update with new contributors 2025-05-13 09:24:03 -07:00
AUTHORS AUTHORS/mailmap: update with new contributors 2025-05-13 09:24:03 -07:00
autogen.sh Ubuntu 22.04 integration: ShellCheck 2022-11-18 11:24:48 -08:00
CODE_OF_CONDUCT.md Documentation corrections 2022-12-22 11:34:28 -08:00
configure.ac SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
copy-builtin copy-builtin: add hooks with sed/>> 2022-05-10 10:17:43 -07:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am spdxcheck: program to check SPDX license tags 2025-03-13 17:57:51 -07:00
META Linux 6.14 compat: META (#17098) (#17172) 2025-03-25 10:35:01 -07:00
NEWS Fix NEWS file 2020-08-26 21:44:41 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md FreeBSD: remove support for FreeBSD < 13.0-RELEASE (#16372) 2024-08-05 16:56:45 -07:00
RELEASES.md Update RELEASES.md LTS release to 2.2 2025-01-17 11:04:36 -05:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

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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.

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Official Resources

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 META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.