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digsig: Fix memory leakage in digsig_verify_rsa() 

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>
Cc: stable@vger.kernel.org
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
YOSHIFUJI Hideaki 2013-01-25 16:54:20 +02:00 committed by James Morris
parent 88b62b915b
commit 7810cc1e77
1 changed files with 2 additions and 0 deletions
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2
lib/digsig.c
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@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key *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;