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crypto: af_alg - Fix socket double-free when accept fails

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When we fail an accept(2) call we will end up freeing the socket
twice, once due to the direct sk_free call and once again through
newsock.

This patch fixes this by removing the sk_free call.

Cc: [email protected]
Reported-by: Dmitry Vyukov <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Herbert Xu 2015-12-30 20:24:17 +08:00
commit a383292c86
1 changed files with 1 additions and 3 deletions
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4
crypto/af_alg.c
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@ -285,10 +285,8 @@ int af_alg_accept(struct sock *sk, struct socket *newsock)
security_sk_clone(sk, sk2);
err = type->accept(ask->private, sk2);
if (err) {
sk_free(sk2);
if (err)
goto unlock;
}
sk2->sk_family = PF_ALG;