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Add locking to CRYPTO_secure_used 

Coverity issue 1551719 noted CRYPTO_secure_used referenced a shared
variable without taking the appropriate read lock.  Add that.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Todd Short <todd.short@me.com>
(Merged from https://github.com/openssl/openssl/pull/22802)
This commit is contained in:
Neil Horman 2023-11-22 14:20:39 -05:00
parent ff181969e2
commit 7eae6ee0e5
1 changed files with 9 additions and 3 deletions
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12
crypto/mem_sec.c
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@ -260,11 +260,17 @@ int CRYPTO_secure_allocated(const void *ptr)
size_t CRYPTO_secure_used(void)
{
size_t ret = 0;
#ifndef OPENSSL_NO_SECURE_MEMORY
return secure_mem_used;
#else
return 0;
if (!CRYPTO_THREAD_read_lock(sec_malloc_lock))
return 0;
ret = secure_mem_used;
CRYPTO_THREAD_unlock(sec_malloc_lock);
#endif /* OPENSSL_NO_SECURE_MEMORY */
return ret;
}
size_t CRYPTO_secure_actual_size(void *ptr)