aboutsummaryrefslogtreecommitdiff
path: root/net/dns_resolver/dns_key.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2024-01-08 12:57:28 +0100
committerIngo Molnar <mingo@kernel.org>2024-01-08 12:57:28 +0100
commitcdb3033e191fd03da2d7da23b9cd448dfa180a8e (patch)
treee863d55e63bea2bc9c18652e0d7291fec5e5cd23 /net/dns_resolver/dns_key.c
parentfbb66ce0b1d670c72def736a13ac9176b860df4e (diff)
parentf60a631ab9ed5df15e446269ea515f2b8948ba0c (diff)
downloadlinux-cdb3033e191fd03da2d7da23b9cd448dfa180a8e.tar.gz
linux-cdb3033e191fd03da2d7da23b9cd448dfa180a8e.tar.bz2
linux-cdb3033e191fd03da2d7da23b9cd448dfa180a8e.zip
Merge branch 'sched/urgent' into sched/core, to pick up pending v6.7 fixes for the v6.8 merge window
This fix didn't make it upstream in time, pick it up for the v6.8 merge window. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/dns_resolver/dns_key.c')
-rw-r--r--net/dns_resolver/dns_key.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index 01e54b46ae0b..2a6d363763a2 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -91,6 +91,7 @@ const struct cred *dns_resolver_cache;
static int
dns_resolver_preparse(struct key_preparsed_payload *prep)
{
+ const struct dns_server_list_v1_header *v1;
const struct dns_payload_header *bin;
struct user_key_payload *upayload;
unsigned long derrno;
@@ -122,6 +123,13 @@ dns_resolver_preparse(struct key_preparsed_payload *prep)
return -EINVAL;
}
+ v1 = (const struct dns_server_list_v1_header *)bin;
+ if ((v1->status != DNS_LOOKUP_GOOD &&
+ v1->status != DNS_LOOKUP_GOOD_WITH_BAD)) {
+ if (prep->expiry == TIME64_MAX)
+ prep->expiry = ktime_get_real_seconds() + 1;
+ }
+
result_len = datalen;
goto store_result;
}
@@ -314,7 +322,7 @@ static long dns_resolver_read(const struct key *key,
struct key_type key_type_dns_resolver = {
.name = "dns_resolver",
- .flags = KEY_TYPE_NET_DOMAIN,
+ .flags = KEY_TYPE_NET_DOMAIN | KEY_TYPE_INSTANT_REAP,
.preparse = dns_resolver_preparse,
.free_preparse = dns_resolver_free_preparse,
.instantiate = generic_key_instantiate,