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| author | Reshetova, Elena | 2017-07-04 08:34:56 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-07-04 10:29:04 +0200 |
| commit | 271201c09c86cd75e0fd6206bde689176e85aa21 (patch) | |
| tree | 651a50d749adf45a651b8bcc9813dd049aeccffa /include/net/if_inet6.h | |
| parent | net, ipv6: convert inet6_dev.refcnt from atomic_t to refcount_t (diff) | |
| download | kernel-qcow2-linux-271201c09c86cd75e0fd6206bde689176e85aa21.tar.gz kernel-qcow2-linux-271201c09c86cd75e0fd6206bde689176e85aa21.tar.xz kernel-qcow2-linux-271201c09c86cd75e0fd6206bde689176e85aa21.zip | |
net, ipv6: convert inet6_ifaddr.refcnt 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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/if_inet6.h')
| -rw-r--r-- | include/net/if_inet6.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index e7a17b231afc..2b41cb86d62f 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -46,7 +46,7 @@ struct inet6_ifaddr { /* In seconds, relative to tstamp. Expiry is at tstamp + HZ * lft. */ __u32 valid_lft; __u32 prefered_lft; - atomic_t refcnt; + refcount_t refcnt; spinlock_t lock; int state; |