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params: fix range check when converting double to uint64_t.

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Found in #15815

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15819)
This commit is contained in:
Pauli 2021-06-18 14:43:24 +10:00
parent d7c88f7600
commit b9d022d78f
1 changed files with 1 additions and 1 deletions
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crypto/params.c
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@ -1029,7 +1029,7 @@ int OSSL_PARAM_set_double(OSSL_PARAM *p, double val)
* 15 bits of UINT64_MAX to avoid using imprecise floating
* point values.
*/
&& (double)(UINT64_MAX - 65535) + 65536.0) {
&& val < (double)(UINT64_MAX - 65535) + 65536.0) {
p->return_size = sizeof(uint64_t);
*(uint64_t *)p->data = (uint64_t)val;
return 1;