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6487d1dab8
The signal a task should continue with after a ptrace stop is inconsistently read, cleared, and sent. Solve this by reading and clearing the signal to be sent in ptrace_stop. In an ideal world everything except ptrace_signal would share a common implementation of continuing with the signal, so ptracers could count on the signal they ask to continue with actually being delivered. For now retain bug compatibility and just return with the signal number the ptracer requested the code continue with. Link: https://lkml.kernel.org/r/875yoe7qdp.fsf_-_@email.froward.int.ebiederm.org Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.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.