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Zygmunt Krynicki
58817bf37c
[ Upstream commitfea23bf73f] aa_getprocattr() allocates the output string before rendering the label into it. If the second aa_label_snxprint() call fails, the function returned without freeing that allocation. Free and clear the output pointer on the uncommon formatting failure path before dropping the namespace reference. Fixes:76a1d263ab("apparmor: switch getprocattr to using label_print fns()") Reviewed-by: Tyler Hicks <code@thicks.com> Reviewed-by: Ryan Lee <ryan.lee@canonical.com> Signed-off-by: Zygmunt Krynicki <me@zygoon.pl> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.