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author | Elena Reshetova <elena.reshetova@intel.com> | 2017-03-31 15:20:49 +0300 |
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committer | James Morris <james.l.morris@oracle.com> | 2017-04-03 10:49:06 +1000 |
commit | ddb99e118e37f324a4be65a411bb60ae62795cf9 (patch) | |
tree | 9fecb40084bb937fafa04eaf57d9bc4ae3bcb6a9 /Documentation/security | |
parent | fff292914d3a2f1efd05ca71c2ba72a3c663201e (diff) | |
download | linux-ddb99e118e37f324a4be65a411bb60ae62795cf9.tar.bz2 |
security, keys: convert key_user.usage from atomic_t to refcount_t
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'Documentation/security')
0 files changed, 0 insertions, 0 deletions