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-rw-r--r--drivers/net/sungem_phy.c11
-rw-r--r--include/linux/skbuff.h7
-rw-r--r--include/net/sock.h1
-rw-r--r--net/bridge/netfilter/ebtables.c20
-rw-r--r--net/core/skbuff.c8
-rw-r--r--net/core/stream.c1
-rw-r--r--net/ipv4/tcp_output.c10
-rw-r--r--net/llc/llc_input.c3
-rw-r--r--net/socket.c1
9 files changed, 40 insertions, 22 deletions
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index cb0aba95d4e..046371ee5bb 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -275,7 +275,7 @@ static int bcm5411_init(struct mii_phy* phy)
return 0;
}
-static int bcm5411_suspend(struct mii_phy* phy)
+static int generic_suspend(struct mii_phy* phy)
{
phy_write(phy, MII_BMCR, BMCR_PDOWN);
@@ -738,7 +738,7 @@ static struct mii_phy_def bcm5401_phy_def = {
/* Broadcom BCM 5411 */
static struct mii_phy_ops bcm5411_phy_ops = {
.init = bcm5411_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -757,7 +757,7 @@ static struct mii_phy_def bcm5411_phy_def = {
/* Broadcom BCM 5421 */
static struct mii_phy_ops bcm5421_phy_ops = {
.init = bcm5421_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -776,7 +776,7 @@ static struct mii_phy_def bcm5421_phy_def = {
/* Broadcom BCM 5421 built-in K2 */
static struct mii_phy_ops bcm5421k2_phy_ops = {
.init = bcm5421_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -795,7 +795,7 @@ static struct mii_phy_def bcm5421k2_phy_def = {
/* Broadcom BCM 5462 built-in Vesta */
static struct mii_phy_ops bcm5462V_phy_ops = {
.init = bcm5421_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -816,6 +816,7 @@ static struct mii_phy_def bcm5462V_phy_def = {
* would be useful here) --BenH.
*/
static struct mii_phy_ops marvell_phy_ops = {
+ .suspend = generic_suspend,
.setup_aneg = marvell_setup_aneg,
.setup_forced = marvell_setup_forced,
.poll_link = genmii_poll_link,
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c4619a428d9..f8f234708b9 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -344,6 +344,13 @@ extern void skb_over_panic(struct sk_buff *skb, int len,
void *here);
extern void skb_under_panic(struct sk_buff *skb, int len,
void *here);
+extern void skb_truesize_bug(struct sk_buff *skb);
+
+static inline void skb_truesize_check(struct sk_buff *skb)
+{
+ if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->len))
+ skb_truesize_bug(skb);
+}
extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
int getfrag(void *from, char *to, int offset,
diff --git a/include/net/sock.h b/include/net/sock.h
index af2b0544586..ff8b0dad7b0 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -454,6 +454,7 @@ static inline void sk_stream_set_owner_r(struct sk_buff *skb, struct sock *sk)
static inline void sk_stream_free_skb(struct sock *sk, struct sk_buff *skb)
{
+ skb_truesize_check(skb);
sock_set_flag(sk, SOCK_QUEUE_SHRUNK);
sk->sk_wmem_queued -= skb->truesize;
sk->sk_forward_alloc += skb->truesize;
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 84b9af76f0a..3a13ed64345 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -831,7 +831,7 @@ static int translate_table(struct ebt_replace *repl,
return -ENOMEM;
for_each_possible_cpu(i) {
newinfo->chainstack[i] =
- vmalloc(udc_cnt * sizeof(struct ebt_chainstack));
+ vmalloc(udc_cnt * sizeof(*(newinfo->chainstack[0])));
if (!newinfo->chainstack[i]) {
while (i)
vfree(newinfo->chainstack[--i]);
@@ -841,8 +841,7 @@ static int translate_table(struct ebt_replace *repl,
}
}
- cl_s = (struct ebt_cl_stack *)
- vmalloc(udc_cnt * sizeof(struct ebt_cl_stack));
+ cl_s = vmalloc(udc_cnt * sizeof(*cl_s));
if (!cl_s)
return -ENOMEM;
i = 0; /* the i'th udc */
@@ -944,8 +943,7 @@ static int do_replace(void __user *user, unsigned int len)
countersize = COUNTER_OFFSET(tmp.nentries) *
(highest_possible_processor_id()+1);
- newinfo = (struct ebt_table_info *)
- vmalloc(sizeof(struct ebt_table_info) + countersize);
+ newinfo = vmalloc(sizeof(*newinfo) + countersize);
if (!newinfo)
return -ENOMEM;
@@ -967,8 +965,7 @@ static int do_replace(void __user *user, unsigned int len)
/* the user wants counters back
the check on the size is done later, when we have the lock */
if (tmp.num_counters) {
- counterstmp = (struct ebt_counter *)
- vmalloc(tmp.num_counters * sizeof(struct ebt_counter));
+ counterstmp = vmalloc(tmp.num_counters * sizeof(*counterstmp));
if (!counterstmp) {
ret = -ENOMEM;
goto free_entries;
@@ -1148,8 +1145,7 @@ int ebt_register_table(struct ebt_table *table)
countersize = COUNTER_OFFSET(table->table->nentries) *
(highest_possible_processor_id()+1);
- newinfo = (struct ebt_table_info *)
- vmalloc(sizeof(struct ebt_table_info) + countersize);
+ newinfo = vmalloc(sizeof(*newinfo) + countersize);
ret = -ENOMEM;
if (!newinfo)
return -ENOMEM;
@@ -1247,8 +1243,7 @@ static int update_counters(void __user *user, unsigned int len)
if (hlp.num_counters == 0)
return -EINVAL;
- if ( !(tmp = (struct ebt_counter *)
- vmalloc(hlp.num_counters * sizeof(struct ebt_counter))) ){
+ if (!(tmp = vmalloc(hlp.num_counters * sizeof(*tmp)))) {
MEMPRINT("Update_counters && nomemory\n");
return -ENOMEM;
}
@@ -1377,8 +1372,7 @@ static int copy_everything_to_user(struct ebt_table *t, void __user *user,
BUGPRINT("Num_counters wrong\n");
return -EINVAL;
}
- counterstmp = (struct ebt_counter *)
- vmalloc(nentries * sizeof(struct ebt_counter));
+ counterstmp = vmalloc(nentries * sizeof(*counterstmp));
if (!counterstmp) {
MEMPRINT("Couldn't copy counters, out of memory\n");
return -ENOMEM;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 09464fa8d72..fb3770f9c09 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -112,6 +112,14 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
BUG();
}
+void skb_truesize_bug(struct sk_buff *skb)
+{
+ printk(KERN_ERR "SKB BUG: Invalid truesize (%u) "
+ "len=%u, sizeof(sk_buff)=%Zd\n",
+ skb->truesize, skb->len, sizeof(struct sk_buff));
+}
+EXPORT_SYMBOL(skb_truesize_bug);
+
/* Allocate a new skbuff. We do this ourselves so we can fill in a few
* 'private' fields and also do memory statistics to find all the
* [BEEP] leaks.
diff --git a/net/core/stream.c b/net/core/stream.c
index 35e25259fd9..e9489696f69 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -176,6 +176,7 @@ void sk_stream_rfree(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
+ skb_truesize_check(skb);
atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
sk->sk_forward_alloc += skb->truesize;
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 44df1db726a..a28ae593b97 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -533,6 +533,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *buff;
int nsize, old_factor;
+ int nlen;
u16 flags;
BUG_ON(len > skb->len);
@@ -552,8 +553,10 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
if (buff == NULL)
return -ENOMEM; /* We'll just try again later. */
- buff->truesize = skb->len - len;
- skb->truesize -= buff->truesize;
+ sk_charge_skb(sk, buff);
+ nlen = skb->len - len - nsize;
+ buff->truesize += nlen;
+ skb->truesize -= nlen;
/* Correct the sequence numbers. */
TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;
@@ -1039,7 +1042,8 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
if (unlikely(buff == NULL))
return -ENOMEM;
- buff->truesize = nlen;
+ sk_charge_skb(sk, buff);
+ buff->truesize += nlen;
skb->truesize -= nlen;
/* Correct the sequence numbers. */
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index 8f3addf0724..d62e0f9b9da 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -118,7 +118,8 @@ static inline int llc_fixup_skb(struct sk_buff *skb)
u16 pdulen = eth_hdr(skb)->h_proto,
data_size = ntohs(pdulen) - llc_len;
- skb_trim(skb, data_size);
+ if (unlikely(pskb_trim_rcsum(skb, data_size)))
+ return 0;
}
return 1;
}
diff --git a/net/socket.c b/net/socket.c
index 23898f45f71..0ce12dfc7a7 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -490,6 +490,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
struct file *file;
struct socket *sock;
+ *err = -EBADF;
file = fget_light(fd, fput_needed);
if (file) {
sock = sock_from_file(file, err);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 10:01:11 +0000