3.2.45-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Borkmann <[email protected]>

[ Upstream commit 586c31f3bf04c290dc0a0de7fc91d20aa9a5ee53 ]

For sensitive data like keying material, it is common practice to zero
out keys before returning the memory back to the allocator. Thus, use
kzfree instead of kfree.

Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Neil Horman <[email protected]>
Acked-by: Vlad Yasevich <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
---
 net/sctp/auth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -71,7 +71,7 @@ void sctp_auth_key_put(struct sctp_auth_
                return;
 
        if (atomic_dec_and_test(&key->refcnt)) {
-               kfree(key);
+               kzfree(key);
                SCTP_DBG_OBJCNT_DEC(keys);
        }
 }

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