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authorLongpeng <longpeng2@huawei.com>2017-11-07 19:32:06 +0800
committerDaniel P. Berrange <berrange@redhat.com>2017-11-08 11:05:09 +0000
commitf1710638edb2e98008c2a733ffda63ef32b50411 (patch)
treedd031496b39e093d9c05e781381fd8cf25366981 /crypto/ivgenpriv.h
parentb417a7624c67a1544f8b6afe3de1a18fc380746e (diff)
crypto: afalg: fix a NULL pointer dereference
Test-crypto-hash calls qcrypto_hash_bytesv/digest/base64 with errp=NULL, this will cause a NULL pointer dereference if afalg_driver doesn't support requested algos: ret = qcrypto_hash_afalg_driver.hash_bytesv(alg, iov, niov, result, resultlen, errp); if (ret == 0) { return ret; } error_free(*errp); // <--- here Because the error message is thrown away immediately, we should just pass NULL to hash_bytesv(). There is also the same problem in afalg-backend cipher & hmac, let's fix them together. Reviewed-by: Eric Blake <eblake@redhat.com> Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Longpeng <longpeng2@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Diffstat (limited to 'crypto/ivgenpriv.h')
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