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commit eca67aaeeb upstream.
Structure iowarrior_info is copied to userland with padding byted
between "serial" and "revision" fields uninitialized. It leads to
leaking of contents of kernel stack memory.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Kees Cook <kees.cook@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>