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| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 09:35:01 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 01:29:04 -0700 |
| commit | f6a6fede28e3cc3f9e4669a12839b47011330d95 (patch) | |
| tree | 814a0c638acf4edd6f5ef584e3a71e77f1a0c6e8 /include/net | |
| parent | 87078f26b6644c2ad8226cf29a7e3a6ef6c74ae2 (diff) | |
| download | linux-f6a6fede28e3cc3f9e4669a12839b47011330d95.tar.bz2 | |
net, ipv4: convert cipso_v4_doi.refcount 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')
| -rw-r--r-- | include/net/cipso_ipv4.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h index a34b141f125f..880adb2f2afd 100644 --- a/include/net/cipso_ipv4.h +++ b/include/net/cipso_ipv4.h @@ -41,6 +41,7 @@ #include <net/netlabel.h> #include <net/request_sock.h> #include <linux/atomic.h> +#include <linux/refcount.h> #include <asm/unaligned.h> /* known doi values */ @@ -85,7 +86,7 @@ struct cipso_v4_doi { } map; u8 tags[CIPSO_V4_TAG_MAXCNT]; - atomic_t refcount; + refcount_t refcount; struct list_head list; struct rcu_head rcu; }; |