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Richard Yao 4170ae4ea6 Fix TOCTOU race conditions reported by CodeQL and Coverity
CodeQL and Coverity both complained about:

 * lib/libshare/os/linux/smb.c
 * tests/zfs-tests/cmd/mmapwrite.c
 	* twice
 * tests/zfs-tests/tests/functional/tmpfile/tmpfile_002_pos.c
 * tests/zfs-tests/tests/functional/tmpfile/tmpfile_stat_mode.c
	* coverity had a second complaint that CodeQL did not have
 * tests/zfs-tests/cmd/suid_write_to_file.c
	* Coverity had two complaints and CodeQL had one complaint, both
	  differed. The CodeQL complaint is about the main point of the
	  test, so it is not fixable without a hack involving `fork()`.

The issues reported by CodeQL are fixed, with the exception of the last
one, which is deemed to be a false positive that is too much trouble to
wrokaround. The issues reported by Coverity were only fixed if CodeQL
complained about them.

There were issues reported by Coverity in a number of other files that
were not reported by CodeQL, but fixing the CodeQL complaints is
considered a priority since we want to integrate it into a github
workflow, so the remaining Coverity complaints are left for future work.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14098
2022-10-29 13:04:10 -07:00
.github Add CodeQL workflow 2022-10-27 09:36:17 -07:00
cmd zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -07:00
config zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -07:00
contrib Add native Debian Packaging for Linux 2022-10-27 15:38:45 -07:00
etc etc: mask zfs-load-key.service 2022-10-12 15:27:55 -07:00
include debug: fix output from VERIFY0 assertion 2022-10-28 11:46:44 -07:00
lib Fix TOCTOU race conditions reported by CodeQL and Coverity 2022-10-29 13:04:10 -07:00
man Add options to zfs redundant_metadata property 2022-10-19 17:07:51 -07:00
module Revert "Cleanup: Delete dead code from send_merge_thread()" 2022-10-28 13:25:37 -07:00
rpm Add zilstat script to report zil kstats in a user friendly manner 2022-09-02 13:24:07 -07:00
scripts Process script directory for all configs 2022-10-27 16:45:14 -07:00
tests Fix TOCTOU race conditions reported by CodeQL and Coverity 2022-10-29 13:04:10 -07:00
udev Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore autoconf: use include directives instead of recursing down cmd 2022-05-10 10:18:38 -07:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
AUTHORS zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -07:00
autogen.sh autogen.sh: paper over automake <1.14's lack of %reldir% support 2022-05-10 10:20:46 -07:00
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
configure.ac Replace dead opensolaris.org license link 2022-07-11 14:16:13 -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 Process script directory for all configs 2022-10-27 16:45:14 -07:00
META Linux 6.0 compat: META 2022-10-26 14:55:12 -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 README: Update OpenZFS website url 2022-01-06 16:25:01 -08:00
RELEASES.md Add RELEASES.md file 2021-04-02 16:33:40 -07:00
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

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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.

codecov coverity

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 12.2-RELEASE.