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    Subject[PATCH AUTOSEL 5.7 167/274] Crypto/chcr: fix for ccm(aes) failed test
    Date
    From: Devulapally Shiva Krishna <shiva@chelsio.com>

    [ 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>
    ---
    drivers/crypto/chelsio/chcr_algo.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
    index 446fb896ee6d..6c2cd36048ea 100644
    --- a/drivers/crypto/chelsio/chcr_algo.c
    +++ b/drivers/crypto/chelsio/chcr_algo.c
    @@ -2925,7 +2925,7 @@ 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 rx_channel_id = reqctx->rxqidx / ctx->rxq_perchan;
    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)
    --
    2.25.1
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