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Fix a possible crash in rand_drbg_get_entropy 

Reviewed-by: Paul Yang <yang.yang@baishancloud.com>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7474)
This commit is contained in:
Bernd Edlinger 2018-10-23 16:30:20 +02:00
parent 41349b5e6d
commit 21311777ad
1 changed files with 2 additions and 0 deletions
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2
crypto/rand/rand_lib.c
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@ -151,6 +151,8 @@ size_t rand_drbg_get_entropy(RAND_DRBG *drbg,
pool->entropy_requested = entropy; pool->entropy_requested = entropy;
} else { } else {
pool = rand_pool_new(entropy, min_len, max_len); pool = rand_pool_new(entropy, min_len, max_len);
if (pool == NULL)
return 0;
} }
if (drbg->parent) { if (drbg->parent) {