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authorArjan van de Ven <arjan@infradead.org>2009-10-14 08:17:36 +1100
committerJames Morris <jmorris@namei.org>2009-10-14 08:17:36 +1100
commit825332e4ff1373c55d931b49408df7ec2298f71e (patch)
treef489a311e576eb1b45ff62cbc0cccbe3bea2baeb /security/selinux/ss/services.c
parenta27ab9f26b729326778271c1efd895aef4fda1c4 (diff)
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capabilities: simplify bound checks for copy_from_user()
The capabilities syscall has a copy_from_user() call where gcc currently cannot prove to itself that the copy is always within bounds. This patch adds a very explicity bound check to prove to gcc that this copy_from_user cannot overflow its destination buffer. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/selinux/ss/services.c')
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