| Message ID | 1453885718-24599-4-git-send-email-rui.y.wang@intel.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
On Wed, Jan 27, 2016 at 05:08:37PM +0800, Rui Wang wrote: > hash_sendmsg/sendpage() need to wait for the completion > of crypto_ahash_init() otherwise it can cause panic. > > Signed-off-by: Rui Wang <rui.y.wang@intel.com> Applied to crypto.
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index b4c24fe..83dc095 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -49,7 +49,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, lock_sock(sk); if (!ctx->more) { - err = crypto_ahash_init(&ctx->req); + err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req), + &ctx->completion); if (err) goto unlock; } @@ -120,6 +121,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, } else { if (!ctx->more) { err = crypto_ahash_init(&ctx->req); + err = af_alg_wait_for_completion(err, &ctx->completion); if (err) goto unlock; }
hash_sendmsg/sendpage() need to wait for the completion of crypto_ahash_init() otherwise it can cause panic. Signed-off-by: Rui Wang <rui.y.wang@intel.com> --- crypto/algif_hash.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)