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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:52:59 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-05 00:35:15 +0300
commit66af846fe54b780f8f5bd9a62aee081bd2ace582 (patch)
treed9b9f336bff0491e71d818ee6a3ccfbad9e35b23 /include/net
parentf00c854c965fd7197c9ac0f59d823ca0a909e33b (diff)
downloadlinux-66af846fe54b780f8f5bd9a62aee081bd2ace582.tar.xz
net, vxlan: convert vxlan_sock.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')
-rw-r--r--include/net/vxlan.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 326e8498b10e..3f430e38ab82 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -183,7 +183,7 @@ struct vxlan_sock {
struct hlist_node hlist;
struct socket *sock;
struct hlist_head vni_list[VNI_HASH_SIZE];
- atomic_t refcnt;
+ refcount_t refcnt;
u32 flags;
};