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237c522c1d
The strdup() function returns a pointer to a new string which is a duplicate of the string "ptr". Memory for the new string is obtained with malloc(), and need to be freed with free(). This patch adds these missing "free(ptr)" in check_whitelist() and check_blacklist() to avoid memory leaks in test_sockmap.c. Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yonghong.song@linux.dev> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/b76f2f4c550aebe4ab8ea73d23c4cbe4f06ea996.1714374022.git.tanggeliang@kylinos.cn
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 reStructuredText 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.