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-rw-r--r--net/caif/caif_socket.c10
-rw-r--r--net/caif/cfmuxl.c12
-rw-r--r--net/core/ethtool.c2
-rw-r--r--net/ipv4/sysctl_net_ipv4.c6
-rw-r--r--net/ipv4/tcp.c23
-rw-r--r--net/ipv4/tcp_timer.c5
-rw-r--r--net/sunrpc/auth_generic.c17
7 files changed, 45 insertions, 30 deletions
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index a98628086452..a97d97a3a512 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -539,8 +539,10 @@ static int transmit_skb(struct sk_buff *skb, struct caifsock *cf_sk,
pkt = cfpkt_fromnative(CAIF_DIR_OUT, skb);
memset(skb->cb, 0, sizeof(struct caif_payload_info));
- if (cf_sk->layer.dn == NULL)
+ if (cf_sk->layer.dn == NULL) {
+ kfree_skb(skb);
return -EINVAL;
+ }
return cf_sk->layer.dn->transmit(cf_sk->layer.dn, pkt);
}
@@ -683,10 +685,10 @@ static int caif_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
}
err = transmit_skb(skb, cf_sk,
msg->msg_flags&MSG_DONTWAIT, timeo);
- if (err < 0) {
- kfree_skb(skb);
+ if (err < 0)
+ /* skb is already freed */
goto pipe_err;
- }
+
sent += size;
}
diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c
index b36f24a4c8e7..94b08612a4d8 100644
--- a/net/caif/cfmuxl.c
+++ b/net/caif/cfmuxl.c
@@ -248,7 +248,6 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
{
struct cfmuxl *muxl = container_obj(layr);
struct cflayer *layer;
- int idx;
rcu_read_lock();
list_for_each_entry_rcu(layer, &muxl->srvl_list, node) {
@@ -257,14 +256,9 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
if ((ctrl == _CAIF_CTRLCMD_PHYIF_DOWN_IND ||
ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) &&
- layer->id != 0) {
-
- idx = layer->id % UP_CACHE_SIZE;
- spin_lock_bh(&muxl->receive_lock);
- RCU_INIT_POINTER(muxl->up_cache[idx], NULL);
- list_del_rcu(&layer->node);
- spin_unlock_bh(&muxl->receive_lock);
- }
+ layer->id != 0)
+ cfmuxl_remove_uplayer(layr, layer->id);
+
/* NOTE: ctrlcmd is not allowed to block */
layer->ctrlcmd(layer, ctrl, phyid);
}
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 369b41894527..3f79db1b612a 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1190,6 +1190,8 @@ static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
if (!dev->ethtool_ops->flash_device)
return -EOPNOTSUPP;
+ efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
+
return dev->ethtool_ops->flash_device(dev, &efl);
}
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 4cb9cd2f2c39..7a7724da9bff 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -778,7 +778,6 @@ EXPORT_SYMBOL_GPL(net_ipv4_ctl_path);
static __net_init int ipv4_sysctl_init_net(struct net *net)
{
struct ctl_table *table;
- unsigned long limit;
table = ipv4_net_table;
if (!net_eq(net, &init_net)) {
@@ -815,11 +814,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
net->ipv4.sysctl_rt_cache_rebuild_count = 4;
tcp_init_mem(net);
- limit = nr_free_buffer_pages() / 8;
- limit = max(limit, 128UL);
- net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3;
- net->ipv4.sysctl_tcp_mem[1] = limit;
- net->ipv4.sysctl_tcp_mem[2] = net->ipv4.sysctl_tcp_mem[0] * 2;
net->ipv4.ipv4_hdr = register_net_sysctl_table(net,
net_ipv4_ctl_path, table);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 06373b4a449a..37755ccc0e96 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1876,6 +1876,20 @@ void tcp_shutdown(struct sock *sk, int how)
}
EXPORT_SYMBOL(tcp_shutdown);
+bool tcp_check_oom(struct sock *sk, int shift)
+{
+ bool too_many_orphans, out_of_socket_memory;
+
+ too_many_orphans = tcp_too_many_orphans(sk, shift);
+ out_of_socket_memory = tcp_out_of_memory(sk);
+
+ if (too_many_orphans && net_ratelimit())
+ pr_info("TCP: too many orphaned sockets\n");
+ if (out_of_socket_memory && net_ratelimit())
+ pr_info("TCP: out of memory -- consider tuning tcp_mem\n");
+ return too_many_orphans || out_of_socket_memory;
+}
+
void tcp_close(struct sock *sk, long timeout)
{
struct sk_buff *skb;
@@ -2015,10 +2029,7 @@ adjudge_to_death:
}
if (sk->sk_state != TCP_CLOSE) {
sk_mem_reclaim(sk);
- if (tcp_too_many_orphans(sk, 0)) {
- if (net_ratelimit())
- printk(KERN_INFO "TCP: too many of orphaned "
- "sockets\n");
+ if (tcp_check_oom(sk, 0)) {
tcp_set_state(sk, TCP_CLOSE);
tcp_send_active_reset(sk, GFP_ATOMIC);
NET_INC_STATS_BH(sock_net(sk),
@@ -3218,7 +3229,6 @@ __setup("thash_entries=", set_thash_entries);
void tcp_init_mem(struct net *net)
{
- /* Set per-socket limits to no more than 1/128 the pressure threshold */
unsigned long limit = nr_free_buffer_pages() / 8;
limit = max(limit, 128UL);
net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3;
@@ -3287,7 +3297,8 @@ void __init tcp_init(void)
sysctl_max_syn_backlog = max(128, cnt / 256);
tcp_init_mem(&init_net);
- limit = nr_free_buffer_pages() / 8;
+ /* Set per-socket limits to no more than 1/128 the pressure threshold */
+ limit = nr_free_buffer_pages() << (PAGE_SHIFT - 10);
limit = max(limit, 128UL);
max_share = min(4UL*1024*1024, limit);
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index a516d1e399df..cd2e0723266d 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -77,10 +77,7 @@ static int tcp_out_of_resources(struct sock *sk, int do_reset)
if (sk->sk_err_soft)
shift++;
- if (tcp_too_many_orphans(sk, shift)) {
- if (net_ratelimit())
- printk(KERN_INFO "Out of socket memory\n");
-
+ if (tcp_check_oom(sk, shift)) {
/* Catch exceptional cases, when connection requires reset.
* 1. Last segment was sent recently. */
if ((s32)(tcp_time_stamp - tp->lsndtime) <= TCP_TIMEWAIT_LEN ||
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index 1426ec3d0a53..75762f346975 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -92,6 +92,7 @@ generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
if (gcred->acred.group_info != NULL)
get_group_info(gcred->acred.group_info);
gcred->acred.machine_cred = acred->machine_cred;
+ gcred->acred.principal = acred->principal;
dprintk("RPC: allocated %s cred %p for uid %d gid %d\n",
gcred->acred.machine_cred ? "machine" : "generic",
@@ -123,6 +124,17 @@ generic_destroy_cred(struct rpc_cred *cred)
call_rcu(&cred->cr_rcu, generic_free_cred_callback);
}
+static int
+machine_cred_match(struct auth_cred *acred, struct generic_cred *gcred, int flags)
+{
+ if (!gcred->acred.machine_cred ||
+ gcred->acred.principal != acred->principal ||
+ gcred->acred.uid != acred->uid ||
+ gcred->acred.gid != acred->gid)
+ return 0;
+ return 1;
+}
+
/*
* Match credentials against current process creds.
*/
@@ -132,9 +144,12 @@ generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags)
struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base);
int i;
+ if (acred->machine_cred)
+ return machine_cred_match(acred, gcred, flags);
+
if (gcred->acred.uid != acred->uid ||
gcred->acred.gid != acred->gid ||
- gcred->acred.machine_cred != acred->machine_cred)
+ gcred->acred.machine_cred != 0)
goto out_nomatch;
/* Optimisation in the case where pointers are identical... */
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-20 22:39:20 +0300