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Subject[ 01/26] digsig: Fix memory leakage in digsig_verify_rsa()
Date
3.4-stable review patch.  If anyone has any objections, please let me know.

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

From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

commit 7810cc1e7721220f1ed2a23ca95113d6434f6dcd upstream.

digsig_verify_rsa() does not free kmalloc'ed buffer returned by
mpi_get_buffer().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
lib/digsig.c | 2 ++
1 file changed, 2 insertions(+)

--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key
memset(out1, 0, head);
memcpy(out1 + head, p, l);

+ kfree(p);
+
err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len);
if (err)
goto err;



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