2.6.32-longterm review patch. If anyone has any objections, please let me know.
------------------
kfree
From: Daniel Borkmann <dborkman@xxxxxxxxxx>
[ 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 <dborkman@xxxxxxxxxx>
Acked-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
Acked-by: Vlad Yasevich <vyasevich@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
net/sctp/auth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 914c419..7363b9f 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -70,7 +70,7 @@ 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);
}
}
--
1.7.12.2.21.g234cd45.dirty
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