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Since commit:a7e6f1ca90("arm64: signal: Force SIGKILL for unknown signals in force_signal_inject") ... any signal which is not SIGKILL will be upgraded to a SIGKILL be force_signal_inject(). This includes signals we do expect, such as SIGILL triggered by do_undefinstr(). Fix the check to use a logical AND rather than a logical OR, permitting signals whose layout is SIL_FAULT. Fixes:a7e6f1ca90("arm64: signal: Force SIGKILL for unknown signals in force_signal_inject") Cc: Will Deacon <will.deacon@arm.com> Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.