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commit9f645bcc56upstream. cmap->len can get close to INT_MAX/2, allowing for an integer overflow in allocation. This uses kmalloc_array() instead to catch the condition. Reported-by: Dr Silvio Cesare of InfoSect <silvio.cesare@gmail.com> Fixes:8bdb3a2d7d("uvesafb: the driver core") Cc: stable@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.