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security: keys: Replace time_t with time64_t for struct key_preparsed_payload

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The 'struct key_preparsed_payload' will use 'time_t' which we will
try to remove in the kernel, since 'time_t' is not year 2038 safe on
32bits systems.

Thus this patch replaces 'time_t' with 'time64_t' which is year 2038
safe on 32 bits system for 'struct key_preparsed_payload', moreover
we should use the 'TIME64_MAX' macro to initialize the 'time64_t'
type variable.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Baolin Wang 2017-11-15 16:38:45 +00:00 committed by David Howells
parent 074d589895
commit 0a9dd0e071
2 changed files with 5 additions and 5 deletions
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2
include/linux/key-type.h
View File

@ -44,7 +44,7 @@ struct key_preparsed_payload {
const void *data; /* Raw data */
size_t datalen; /* Raw datalen */
size_t quotalen; /* Quota length for proposed payload */
time_t expiry; /* Expiry time of key */
time64_t expiry; /* Expiry time of key */
} __randomize_layout;
typedef int (*request_key_actor_t)(struct key_construction *key,

8
security/keys/key.c
View File

@ -460,7 +460,7 @@ static int __key_instantiate_and_link(struct key *key,
if (authkey)
key_revoke(authkey);
if (prep->expiry != TIME_T_MAX) {
if (prep->expiry != TIME64_MAX) {
key->expiry = prep->expiry;
key_schedule_gc(prep->expiry + key_gc_delay);
}
@ -506,7 +506,7 @@ int key_instantiate_and_link(struct key *key,
prep.data = data;
prep.datalen = datalen;
prep.quotalen = key->type->def_datalen;
prep.expiry = TIME_T_MAX;
prep.expiry = TIME64_MAX;
if (key->type->preparse) {
ret = key->type->preparse(&prep);
if (ret < 0)
@ -845,7 +845,7 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref,
prep.data = payload;
prep.datalen = plen;
prep.quotalen = index_key.type->def_datalen;
prep.expiry = TIME_T_MAX;
prep.expiry = TIME64_MAX;
if (index_key.type->preparse) {
ret = index_key.type->preparse(&prep);
if (ret < 0) {
@ -989,7 +989,7 @@ int key_update(key_ref_t key_ref, const void *payload, size_t plen)
prep.data = payload;
prep.datalen = plen;
prep.quotalen = key->type->def_datalen;
prep.expiry = TIME_T_MAX;
prep.expiry = TIME64_MAX;
if (key->type->preparse) {
ret = key->type->preparse(&prep);
if (ret < 0)