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crypto: algif_aead - fix for multiple operations on AF_ALG sockets

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The tsgl scatterlist must be re-initialized after each
operation. Otherwise the sticky bits in the page_link will corrupt the
list with pre-mature termination or false chaining.

Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Lars Persson 2015-08-25 11:59:15 +02:00 committed by Herbert Xu
parent df9e21e100
commit bf433416e6
1 changed files with 1 additions and 0 deletions
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1
crypto/algif_aead.c
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@ -90,6 +90,7 @@ static void aead_put_sgl(struct sock *sk)
put_page(sg_page(sg + i));
sg_assign_page(sg + i, NULL);
}
sg_init_table(sg, ALG_MAX_PAGES);
sgl->cur = 0;
ctx->used = 0;
ctx->more = 0;