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tls: rx: use MAX_IV_SIZE for allocations

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IVs are 8 or 16 bytes, no point reading out the exact value
for quantities this small.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-04-11 12:19:16 -07:00 committed by David S. Miller
parent 3547a1f9d9
commit f7d45f4b52
1 changed files with 1 additions and 1 deletions
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net/tls/tls_sw.c
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@ -1452,7 +1452,7 @@ static int decrypt_internal(struct sock *sk, struct sk_buff *skb,
aead_size = sizeof(*aead_req) + crypto_aead_reqsize(ctx->aead_recv); aead_size = sizeof(*aead_req) + crypto_aead_reqsize(ctx->aead_recv);
mem_size = aead_size + (nsg * sizeof(struct scatterlist)); mem_size = aead_size + (nsg * sizeof(struct scatterlist));
mem_size = mem_size + prot->aad_size; mem_size = mem_size + prot->aad_size;
mem_size = mem_size + crypto_aead_ivsize(ctx->aead_recv); mem_size = mem_size + MAX_IV_SIZE;
/* Allocate a single block of memory which contains /* Allocate a single block of memory which contains
* aead_req || sgin[] || sgout[] || aad || iv. * aead_req || sgin[] || sgout[] || aad || iv.