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The "DIV_ROUND_UP(size, PAGE_SIZE)" operation can overflow if "size" is more than ULLONG_MAX - PAGE_SIZE. Link: http://lkml.kernel.org/r/20170322111950.GA11279@mwanda Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Jorgen Hansen <jhansen@vmware.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| fs | ||
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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.