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Crypto/chcr: fix for ccm(aes) failed test

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[ Upstream commit 10b0c75d7bc19606fa9a62c8ab9180e95c0e0385 ]

The ccm(aes) test fails when req->assoclen > ~240bytes.

The problem is the value assigned to auth_offset is wrong.
As auth_offset is unsigned char, it can take max value as 255.
So fix it by making it unsigned int.

Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: Devulapally Shiva Krishna <shiva@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Devulapally Shiva Krishna 2020-05-05 08:42:55 +05:30 committed by Greg Kroah-Hartman
parent 984fc5f4e3
commit ec19b7a525
1 changed files with 1 additions and 1 deletions
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drivers/crypto/chelsio/chcr_algo.c
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@ -2818,7 +2818,7 @@ static void fill_sec_cpl_for_aead(struct cpl_tx_sec_pdu *sec_cpl,
unsigned int mac_mode = CHCR_SCMD_AUTH_MODE_CBCMAC;
unsigned int c_id = a_ctx(tfm)->tx_chan_id;
unsigned int ccm_xtra;
unsigned char tag_offset = 0, auth_offset = 0;
unsigned int tag_offset = 0, auth_offset = 0;
unsigned int assoclen;
if (get_aead_subtype(tfm) == CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309)