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3a017d6355
When handing the SIGNAL_GROUP_EXIT flag, the info in ksignal isn't cleared. However, the info acquired by dequeue_synchronous_signal/dequeue_signal is initialized and can be safely used. Fortunately, the fatal signal process just uses the si_signo and doesn't use any other member. Even so, the initialization before use is more safer. Signed-off-by: haifeng.xu <haifeng.xu@shopee.com> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20221128065606.19570-1-haifeng.xu@shopee.com
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.