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8a969f3e2d
`zpool_do_import()` passes `argv[0]`, (optionally) `argv[1]`, and
`pool_specified` to `import_pools()`. If `pool_specified==FALSE`, the
`argv[]` arguments are not used. However, these values may be off the
end of the `argv[]` array, so loading them could dereference unmapped
memory. This error is reported by the asan build:
```
=================================================================
==6003==ERROR: AddressSanitizer: heap-buffer-overflow
READ of size 8 at 0x6030000004a8 thread T0
#0 0x562a078b50eb in zpool_do_import zpool_main.c:3796
#1 0x562a078858c5 in main zpool_main.c:10709
#2 0x7f5115231bf6 in __libc_start_main
#3 0x562a07885eb9 in _start
0x6030000004a8 is located 0 bytes to the right of 24-byte region
allocated by thread T0 here:
#0 0x7f5116ac6b40 in __interceptor_malloc
#1 0x562a07885770 in main zpool_main.c:10699
#2 0x7f5115231bf6 in __libc_start_main
```
This commit passes NULL for these arguments if they are off the end
of the `argv[]` array.
Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #12339
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| etc | ||
| include | ||
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| man | ||
| module | ||
| rpm | ||
| scripts | ||
| tests | ||
| udev | ||
| .editorconfig | ||
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| autogen.sh | ||
| CODE_OF_CONDUCT.md | ||
| configure.ac | ||
| copy-builtin | ||
| COPYRIGHT | ||
| LICENSE | ||
| Makefile.am | ||
| META | ||
| NEWS | ||
| NOTICE | ||
| README.md | ||
| RELEASES.md | ||
| TEST | ||
| zfs.release.in | ||
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.