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CORE: Fix small bug in passphrase caching

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Passphrase caching didn't allocate memory when it got to cache an
empty string, leading to a crash.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12587)
This commit is contained in:
Richard Levitte 2020-08-28 13:07:35 +02:00
parent 7a30681095
commit 67b6401356
1 changed files with 2 additions and 1 deletions
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3
crypto/passphrase.c
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@ -273,7 +273,8 @@ int ossl_pw_get_passphrase(char *pass, size_t pass_size, size_t *pass_len,
do_cache:
if (ret && data->flag_cache_passphrase) {
if (*pass_len > data->cached_passphrase_len) {
if (data->cached_passphrase == NULL
|| *pass_len > data->cached_passphrase_len) {
void *new_cache =
OPENSSL_clear_realloc(data->cached_passphrase,
data->cached_passphrase_len,