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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2017-12-19 10:27:24 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-12-22 19:02:40 +1100
commitaf955bf15d2c27496b0269b1f05c26f758c68314 (patch)
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parente57121d08c38dabec15cf3e1e2ad46721af30cae (diff)
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crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t
This variable was increased and decreased without any protection. Result was an occasional misscount and negative wrap around resulting in false resource allocation failures. Fixes: 7d2c3f54e6f6 ("crypto: af_alg - remove locking in async callback") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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