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Filename Latest commit message Latest commit date
Wenwen Wang 70c4cf17e4 audit: fix a memory leak bug
In audit_rule_change(), audit_data_to_entry() is firstly invoked to
translate the payload data to the kernel's rule representation. In
audit_data_to_entry(), depending on the audit field type, an audit tree may
be created in audit_make_tree(), which eventually invokes kmalloc() to
allocate the tree.  Since this tree is a temporary tree, it will be then
freed in the following execution, e.g., audit_add_rule() if the message
type is AUDIT_ADD_RULE or audit_del_rule() if the message type is
AUDIT_DEL_RULE. However, if the message type is neither AUDIT_ADD_RULE nor
AUDIT_DEL_RULE, i.e., the default case of the switch statement, this
temporary tree is not freed.

To fix this issue, only allocate the tree when the type is AUDIT_ADD_RULE
or AUDIT_DEL_RULE.

Signed-off-by: Wenwen Wang <wang6495@umn.edu>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2019-04-22 11:22:03 -04:00
arch syscall_get_arch: add "struct task_struct *" argument 2019-03-20 21:12:36 -04:00
block
certs
crypto
Documentation Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
drivers xen: one further fix for v5.1-rc1 2019-03-17 09:16:22 -07:00
fs Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
include ntp: Audit NTP parameters adjustment 2019-04-15 18:14:01 -04:00
init
ipc
kernel audit: fix a memory leak bug 2019-04-22 11:22:03 -04:00
lib Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
LICENSES
mm
net Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
samples
scripts kconfig: remove stale lxdialog/.gitignore 2019-03-17 15:47:02 +09:00
security audit: link integrity evm_write_xattrs record to syscall event 2019-03-27 18:11:52 -04:00
sound
tools
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
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COPYING
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Makefile Linux 5.1-rc1 2019-03-17 14:22:26 -07:00
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.