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Merge pull request #6186 from leorosen/ssl_tls_null_on_invalid_code

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ssl_tls: avoid the appearance of a potential NULL dereferencing
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Dave Rodgman
2022-08-11 10:12:34 +01:00
committed by GitHub
parent 322a7a19e7 e9d8dcdbf5
commit 8a9f88899d
1 changed files with 1 additions and 1 deletions
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library/ssl_tls.c
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@@ -7286,7 +7286,7 @@ static tls_prf_fn ssl_tls12prf_from_cs( int ciphersuite_id )
const mbedtls_ssl_ciphersuite_t * const ciphersuite_info = const mbedtls_ssl_ciphersuite_t * const ciphersuite_info =
mbedtls_ssl_ciphersuite_from_id( ciphersuite_id ); mbedtls_ssl_ciphersuite_from_id( ciphersuite_id );
if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 ) if( ciphersuite_info != NULL && ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
return( tls_prf_sha384 ); return( tls_prf_sha384 );
#else #else
(void) ciphersuite_id; (void) ciphersuite_id;