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Kees Cook
6a3981af3f
The copy_from_user() function returns the number of bytes remaining to
be copied on a failure. Such failures should return -EFAULT to high
levels.
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Fixes: 3f805f8cc2 ("LoadPin: Enable loading from trusted dm-verity devices")
Cc: Matthias Kaehlcke <[email protected]>
Cc: James Morris <[email protected]>
Cc: "Serge E. Hallyn" <[email protected]>
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>