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crypto: api - Disallow identical driver names

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commit 27016f75f5ed47e2d8e0ca75a8ff1f40bc1a5e27 upstream.

Disallow registration of two algorithms with identical driver names.

Cc: <stable@vger.kernel.org>
Reported-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 15a67115d487ea5cb8213915a4f75f58adb87cbc)
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
This commit is contained in:
Herbert Xu
2023-12-07 18:36:57 +08:00
committed by Vegard Nossum
parent 6b48b4b203
commit 545e2955bf
1 changed files with 1 additions and 0 deletions
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crypto/algapi.c
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@@ -222,6 +222,7 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
}
if (!strcmp(q->cra_driver_name, alg->cra_name) ||
!strcmp(q->cra_driver_name, alg->cra_driver_name) ||
!strcmp(q->cra_name, alg->cra_driver_name))
goto err;
}