3.2.45-rc1 review patch. If anyone has any objections, please let me know.
------------------
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: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
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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