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psa_crypto_free: destroy the last slot

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The last slot in the array was not freed due to an off-by-one error.

Amend the fill_slots test to serve as a non-regression test for this
issue: without this bug fix, it would cause a memory leak.
This commit is contained in:
Gilles Peskine
2018-08-01 15:46:54 +02:00
committed by Jaeden Amero
parent 996deb18cc
commit 9a05634558
2 changed files with 2 additions and 4 deletions
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library/psa_crypto.c
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@@ -3453,7 +3453,7 @@ psa_status_t psa_generate_key( psa_key_slot_t key,
void mbedtls_psa_crypto_free( void )
{
psa_key_slot_t key;
for( key = 1; key < PSA_KEY_SLOT_COUNT; key++ )
for( key = 1; key <= PSA_KEY_SLOT_COUNT; key++ )
psa_destroy_key( key );
mbedtls_ctr_drbg_free( &global_data.ctr_drbg );
mbedtls_entropy_free( &global_data.entropy );