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-rw-r--r--net/core/netpoll.c5
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c9
-rw-r--r--net/mac80211/debugfs_sta.c3
-rw-r--r--net/netfilter/nf_conntrack_core.c5
4 files changed, 18 insertions, 4 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 77a0388fc3be..12c129f726f9 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -674,7 +674,8 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
if ((delim = strchr(cur, '@')) == NULL)
goto parse_failed;
*delim = 0;
- np->local_port = simple_strtol(cur, NULL, 10);
+ if (kstrtou16(cur, 10, &np->local_port))
+ goto parse_failed;
cur = delim;
}
cur++;
@@ -706,6 +707,8 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
if (*cur == ' ' || *cur == '\t')
np_info(np, "warning: whitespace is not allowed\n");
np->remote_port = simple_strtol(cur, NULL, 10);
+ if (kstrtou16(cur, 10, &np->remote_port))
+ goto parse_failed;
cur = delim;
}
cur++;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index fe5daea5214d..75e33a7048f8 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -661,6 +661,7 @@ static ssize_t clusterip_proc_write(struct file *file, const char __user *input,
#define PROC_WRITELEN 10
char buffer[PROC_WRITELEN+1];
unsigned long nodenum;
+ int rc;
if (size > PROC_WRITELEN)
return -EIO;
@@ -669,11 +670,15 @@ static ssize_t clusterip_proc_write(struct file *file, const char __user *input,
buffer[size] = 0;
if (*buffer == '+') {
- nodenum = simple_strtoul(buffer+1, NULL, 10);
+ rc = kstrtoul(buffer+1, 10, &nodenum);
+ if (rc)
+ return rc;
if (clusterip_add_node(c, nodenum))
return -ENOMEM;
} else if (*buffer == '-') {
- nodenum = simple_strtoul(buffer+1, NULL,10);
+ rc = kstrtoul(buffer+1, 10, &nodenum);
+ if (rc)
+ return rc;
if (clusterip_del_node(c, nodenum))
return -ENOENT;
} else
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 49a1c70bbd70..0dedb4bd9623 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -221,6 +221,9 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu
return -EINVAL;
tid = simple_strtoul(buf, NULL, 0);
+ ret = kstrtoul(buf, 0, &tid);
+ if (ret)
+ return ret;
if (tid >= IEEE80211_NUM_TIDS)
return -EINVAL;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index af175166fffa..37d9e628106d 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1409,7 +1409,7 @@ EXPORT_SYMBOL_GPL(nf_ct_alloc_hashtable);
int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
{
- int i, bucket;
+ int i, bucket, rc;
unsigned int hashsize, old_size;
struct hlist_nulls_head *hash, *old_hash;
struct nf_conntrack_tuple_hash *h;
@@ -1423,6 +1423,9 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
return param_set_uint(val, kp);
hashsize = simple_strtoul(val, NULL, 0);
+ rc = kstrtouint(val, 0, &hashsize);
+ if (rc)
+ return rc;
if (!hashsize)
return -EINVAL;