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x509: fix coverity 1474424: data race condition 

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14651)
This commit is contained in:
Pauli 2021-03-23 10:35:13 +10:00 committed by Pauli
parent 96a68f21c3
commit 9aa4be691f
1 changed files with 3 additions and 1 deletions
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4
crypto/x509/pcy_map.c
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@ -73,8 +73,10 @@ int ossl_policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
ret = 1;
bad_mapping:
if (ret == -1)
if (ret == -1 && CRYPTO_THREAD_write_lock(x->lock)) {
x->ex_flags |= EXFLAG_INVALID_POLICY;
CRYPTO_THREAD_unlock(x->lock);
}
sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
return ret;