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54c8366e39
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Attila Fülöp 54c8366e39 ICP: Fix null pointer dereference and use after free 
In gcm_mode_decrypt_contiguous_blocks(), if vmem_alloc() fails,
bcopy is called with a NULL pointer destination and a length > 0.
This results in undefined behavior. Further ctx->gcm_pt_buf is
freed but not set to NULL, leading to a potential write after
free and a double free due to missing return value handling in
crypto_update_uio(). The code as is may write to ctx->gcm_pt_buf
in gcm_decrypt_final() and may free ctx->gcm_pt_buf again in
aes_decrypt_atomic().

The fix is to slightly rework error handling and check the return
value in crypto_update_uio().

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Closes #9659
2019-12-03 10:28:47 -08:00
.github Codecov tweaks 2019-12-03 10:23:48 -08:00
cmd Add FreeBSD code to arc_summary and arcstat 2019-11-30 15:43:23 -08:00
config Remove zfs_vdev_elevator module option 2019-11-27 10:35:49 -08:00
contrib Skip loading already loaded key 2019-11-08 14:34:07 -08:00
etc Fix encryption logic in systemd mount generator 2019-11-27 10:54:49 -08:00
include Move linux qsort def to platform header 2019-12-03 09:49:40 -08:00
lib Increase allowed 'special_small_blocks' maximum value 2019-12-03 09:58:03 -08:00
man Increase allowed 'special_small_blocks' maximum value 2019-12-03 09:58:03 -08:00
module ICP: Fix null pointer dereference and use after free 2019-12-03 10:28:47 -08:00
rpm Canonicalize Python shebangs 2019-09-12 13:32:32 -07:00
scripts Move platform independent tests to a shared runfile 2019-10-09 10:39:26 -07:00
tests Increase allowed 'special_small_blocks' maximum value 2019-12-03 09:58:03 -08:00
udev Restore :: in Makefile.am 2019-08-26 11:48:31 -07:00
.gitignore Adapt gitignore for modules 2019-12-02 13:23:47 -08:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
AUTHORS Update build system and packaging 2018-05-29 16:00:33 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
CODE_OF_CONDUCT.md Add CODE_OF_CONDUCT.md 2019-04-30 10:58:45 -07:00
configure.ac Prevent unnecessary resilver restarts 2019-11-27 10:15:01 -08:00
copy-builtin copy-builtin: SPL must be in Kbuild first (again) 2019-09-11 11:09:50 -07:00
COPYRIGHT OpenZFS restructuring - move platform specific sources 2019-09-06 11:26:26 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
META Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
NEWS Add NEWS file 2018-09-18 12:03:47 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md Explicitly state supported Linux versions 2018-05-30 20:11:19 -07:00
TEST Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

img

ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

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Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.

Release

ZFS on Linux 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 kernel versions.