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commit353748a359upstream. There is potential for the size and len fields in ubifs_data_node to be too large causing either a negative value for the length fields or an integer overflow leading to an incorrect memory allocation. Likewise, when the len field is small, an integer underflow may occur. Signed-off-by: Silvio Cesare <silvio.cesare@gmail.com> Fixes:1e51764a3c("UBIFS: add new flash file system") 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.