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authorJoerg Roedel <jroedel@suse.de>2023-10-26 17:05:58 +0200
committerJoerg Roedel <jroedel@suse.de>2023-10-26 17:05:58 +0200
commit3613047280ec42a4e1350fdc1a6dd161ff4008cc (patch)
tree6cf2f03f518537f3229e6066a8b2638755f0bb48 /net/xfrm/xfrm_policy.c
parentbbc70e0aec287e164344b1a071bd46466a4f29b3 (diff)
parent05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1 (diff)
Merge tag 'v6.6-rc7' into core
Linux 6.6-rc7
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
-rw-r--r--net/xfrm/xfrm_policy.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index d6b405782b63..d24b4d4f620e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -851,7 +851,7 @@ static void xfrm_policy_inexact_list_reinsert(struct net *net,
struct hlist_node *newpos = NULL;
bool matches_s, matches_d;
- if (!policy->bydst_reinsert)
+ if (policy->walk.dead || !policy->bydst_reinsert)
continue;
WARN_ON_ONCE(policy->family != family);
@@ -1256,8 +1256,11 @@ static void xfrm_hash_rebuild(struct work_struct *work)
struct xfrm_pol_inexact_bin *bin;
u8 dbits, sbits;
+ if (policy->walk.dead)
+ continue;
+
dir = xfrm_policy_id2dir(policy->index);
- if (policy->walk.dead || dir >= XFRM_POLICY_MAX)
+ if (dir >= XFRM_POLICY_MAX)
continue;
if ((dir & XFRM_POLICY_MASK) == XFRM_POLICY_OUT) {
@@ -1372,8 +1375,6 @@ EXPORT_SYMBOL(xfrm_policy_hash_rebuild);
* of an absolute inpredictability of ordering of rules. This will not pass. */
static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
{
- static u32 idx_generator;
-
for (;;) {
struct hlist_head *list;
struct xfrm_policy *p;
@@ -1381,8 +1382,8 @@ static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
int found;
if (!index) {
- idx = (idx_generator | dir);
- idx_generator += 8;
+ idx = (net->xfrm.idx_generator | dir);
+ net->xfrm.idx_generator += 8;
} else {
idx = index;
index = 0;
@@ -1823,9 +1824,11 @@ int xfrm_policy_flush(struct net *net, u8 type, bool task_valid)
again:
list_for_each_entry(pol, &net->xfrm.policy_all, walk.all) {
+ if (pol->walk.dead)
+ continue;
+
dir = xfrm_policy_id2dir(pol->index);
- if (pol->walk.dead ||
- dir >= XFRM_POLICY_MAX ||
+ if (dir >= XFRM_POLICY_MAX ||
pol->type != type)
continue;
@@ -1862,9 +1865,11 @@ int xfrm_dev_policy_flush(struct net *net, struct net_device *dev,
again:
list_for_each_entry(pol, &net->xfrm.policy_all, walk.all) {
+ if (pol->walk.dead)
+ continue;
+
dir = xfrm_policy_id2dir(pol->index);
- if (pol->walk.dead ||
- dir >= XFRM_POLICY_MAX ||
+ if (dir >= XFRM_POLICY_MAX ||
pol->xdo.dev != dev)
continue;
@@ -3215,7 +3220,7 @@ no_transform:
}
for (i = 0; i < num_pols; i++)
- pols[i]->curlft.use_time = ktime_get_real_seconds();
+ WRITE_ONCE(pols[i]->curlft.use_time, ktime_get_real_seconds());
if (num_xfrms < 0) {
/* Prohibit the flow */