| commit | 7db3b61b6bba4310f454588c2ca6faf2958ad79f | [log] [tgz] |
|---|---|---|
| author | Herbert Xu <herbert@gondor.apana.org.au> | Fri Dec 06 13:55:17 2019 +0800 |
| committer | Herbert Xu <herbert@gondor.apana.org.au> | Wed Dec 11 16:48:38 2019 +0800 |
| tree | 531463d296fa92e7a02896dd19aeadb4dc23bcd0 | |
| parent | 579d705cd64e44f3fcda1a6cfd5f37468a5ddf63 [diff] |
crypto: api - Check spawn->alg under lock in crypto_drop_spawn
We need to check whether spawn->alg is NULL under lock as otherwise
the algorithm could be removed from under us after we have checked
it and found it to be non-NULL. This could cause us to remove the
spawn from a non-existent list.
Fixes: 7ede5a5ba55a ("crypto: api - Fix crypto_drop_spawn crash...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>