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net: sctp: sctp_auth_key_put: use kzfree instead of kfree

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[ Upstream commit 586c31f3bf ]

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 <dborkman@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daniel Borkmann 2013-02-07 00:55:37 +00:00 committed by Greg Kroah-Hartman
parent d768ca1b9f
commit a009d58e52
1 changed files with 1 additions and 1 deletions
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2
net/sctp/auth.c
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@ -71,7 +71,7 @@ void sctp_auth_key_put(struct sctp_auth_bytes *key)
return;
if (atomic_dec_and_test(&key->refcnt)) {
kfree(key);
kzfree(key);
SCTP_DBG_OBJCNT_DEC(keys);
}
}