Messages in this thread | | | Date | Fri, 3 Apr 2015 23:52:46 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v2] crypto: remove instance when test failed |
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On Fri, Apr 03, 2015 at 05:17:13PM +0200, Stephan Mueller wrote: > > Wpuldn't crypto_del_alg suffer from the same issue? I see that the cra_refcnt > is checked. But I guess there would be the same kind of race?
You're quite right. It too needs to take a ref count on the algorithm in crypto_alg_match before releasing the mutex.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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