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crypto: testmgr - Check all test vector lengths

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As we cannot guarantee the availability of contiguous pages at
run-time, all test vectors must either fit within a page, or use
scatter lists.  In some cases vectors were not checked as to
whether they fit inside a page.  This patch adds all the missing
checks.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2009-05-29 16:05:42 +10:00
parent f3d8fe4049
commit fd57f22a09
1 changed files with 25 additions and 0 deletions
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25
crypto/testmgr.c
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@ -185,6 +185,10 @@ static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
hash_buff = xbuf[0];
ret = -EINVAL;
if (WARN_ON(template[i].psize > PAGE_SIZE))
goto out;
memcpy(hash_buff, template[i].plaintext, template[i].psize);
sg_init_one(&sg[0], hash_buff, template[i].psize);
@ -238,7 +242,11 @@ static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
temp = 0;
sg_init_table(sg, template[i].np);
ret = -EINVAL;
for (k = 0; k < template[i].np; k++) {
if (WARN_ON(offset_in_page(IDX[k]) +
template[i].tap[k] > PAGE_SIZE))
goto out;
sg_set_buf(&sg[k],
memcpy(xbuf[IDX[k] >> PAGE_SHIFT] +
offset_in_page(IDX[k]),
@ -357,6 +365,11 @@ static int test_aead(struct crypto_aead *tfm, int enc,
input = xbuf[0];
assoc = axbuf[0];
ret = -EINVAL;
if (WARN_ON(template[i].ilen > PAGE_SIZE ||
template[i].alen > PAGE_SIZE))
goto out;
memcpy(input, template[i].input, template[i].ilen);
memcpy(assoc, template[i].assoc, template[i].alen);
if (template[i].iv)
@ -516,7 +529,11 @@ static int test_aead(struct crypto_aead *tfm, int enc,
}
sg_init_table(asg, template[i].anp);
ret = -EINVAL;
for (k = 0, temp = 0; k < template[i].anp; k++) {
if (WARN_ON(offset_in_page(IDX[k]) +
template[i].atap[k] > PAGE_SIZE))
goto out;
sg_set_buf(&asg[k],
memcpy(axbuf[IDX[k] >> PAGE_SHIFT] +
offset_in_page(IDX[k]),
@ -650,6 +667,10 @@ static int test_cipher(struct crypto_cipher *tfm, int enc,
j++;
ret = -EINVAL;
if (WARN_ON(template[i].ilen > PAGE_SIZE))
goto out;
data = xbuf[0];
memcpy(data, template[i].input, template[i].ilen);
@ -741,6 +762,10 @@ static int test_skcipher(struct crypto_ablkcipher *tfm, int enc,
if (!(template[i].np)) {
j++;
ret = -EINVAL;
if (WARN_ON(template[i].ilen > PAGE_SIZE))
goto out;
data = xbuf[0];
memcpy(data, template[i].input, template[i].ilen);