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agent:kem: Fix memory leaks.

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* agent/pkdecrypt.c (composite_pgp_kem_decrypt): Release shadow_info
memory.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2024-04-25 13:51:47 +09:00
parent 2593dcbceb
commit 02b056ef77
No known key found for this signature in database
GPG Key ID: 640114AF89DE6054
1 changed files with 6 additions and 3 deletions
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9
agent/pkdecrypt.c
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@ -408,7 +408,8 @@ composite_pgp_kem_decrypt (ctrl_t ctrl, const char *desc_text,
{
gcry_sexp_t s_skey0 = NULL;
gcry_sexp_t s_skey1 = NULL;
unsigned char *shadow_info = NULL;
unsigned char *shadow_info0 = NULL;
unsigned char *shadow_info1 = NULL;
gpg_error_t err = 0;
unsigned int nbits;
@ -444,7 +445,7 @@ composite_pgp_kem_decrypt (ctrl_t ctrl, const char *desc_text,
gcry_buffer_t fixed_info = { 0, 0, 0, NULL };
err = agent_key_from_file (ctrl, NULL, desc_text,
ctrl->keygrip, &shadow_info,
ctrl->keygrip, &shadow_info0,
CACHE_MODE_NORMAL, NULL, &s_skey0, NULL, NULL);
if (err)
{
@ -453,7 +454,7 @@ composite_pgp_kem_decrypt (ctrl_t ctrl, const char *desc_text,
}
err = agent_key_from_file (ctrl, NULL, desc_text,
ctrl->keygrip1, &shadow_info,
ctrl->keygrip1, &shadow_info1,
CACHE_MODE_NORMAL, NULL, &s_skey1, NULL, NULL);
if (err)
{
@ -620,6 +621,8 @@ composite_pgp_kem_decrypt (ctrl_t ctrl, const char *desc_text,
gcry_free (fixed_info.data);
gcry_sexp_release (s_skey0);
gcry_sexp_release (s_skey1);
xfree (shadow_info0);
xfree (shadow_info1);
return err;
}