Commit 0a9dd0e0 authored by Baolin Wang's avatar Baolin Wang Committed by David Howells
Browse files

security: keys: Replace time_t with time64_t for struct key_preparsed_payload 



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: default avatarBaolin Wang <baolin.wang@linaro.org>
Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Reviewed-by: default avatarJames Morris <james.l.morris@oracle.com>
parent 074d5898

include/linux/key-type.h

+1 −1
Original line number Diff line number Diff line
@@ -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,

security/keys/key.c

+4 −4
Original line number Diff line number Diff line
@@ -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)

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