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commitba6771c0a0upstream. The x86 AEGIS implementations all fail the improved AEAD tests because they produce the wrong result with some data layouts. The issue is that they assume that if the skcipher_walk API gives 'nbytes' not aligned to the walksize (a.k.a. walk.stride), then it is the end of the data. In fact, this can happen before the end. Also, when the CRYPTO_TFM_REQ_MAY_SLEEP flag is given, they can incorrectly sleep in the skcipher_walk_*() functions while preemption has been disabled by kernel_fpu_begin(). Fix these bugs. Fixes:1d373d4e8e("crypto: x86 - Add optimized AEGIS implementations") Cc: <stable@vger.kernel.org> # v4.18+ Cc: Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.