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| Filename | Latest commit message | Latest commit date |
|---|---|---|
346fefa823
[ Upstream commit d3b990b7f327e2afa98006e7666fb8ada8ed8683 ]
This patch fixes two main problems seen when removing NetLabel
mappings: memory leaks and potentially extra audit noise.
The memory leaks are caused by not properly free'ing the mapping's
address selector struct when free'ing the entire entry as well as
not properly cleaning up a temporary mapping entry when adding new
address selectors to an existing entry. This patch fixes both these
problems such that kmemleak reports no NetLabel associated leaks
after running the SELinux test suite.
The potentially extra audit noise was caused by the auditing code in
netlbl_domhsh_remove_entry() being called regardless of the entry's
validity. If another thread had already marked the entry as invalid,
but not removed/free'd it from the list of mappings, then it was
possible that an additional mapping removal audit record would be
generated. This patch fixes this by returning early from the removal
function when the entry was previously marked invalid. This change
also had the side benefit of improving the code by decreasing the
indentation level of large chunk of code by one (accounting for most
of the diffstat).
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.