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-rw-r--r--net/netfilter/nf_conntrack_standalone.c12
-rw-r--r--net/netfilter/nf_log_syslog.c8
-rw-r--r--net/netfilter/nf_tables_core.c11
-rw-r--r--net/netfilter/nfnetlink_queue.c2
-rw-r--r--net/netfilter/xt_hashlimit.c12
-rw-r--r--net/netfilter/xt_repldata.h2
6 files changed, 25 insertions, 22 deletions
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 502cf10aab41..2f666751c7e7 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -618,7 +618,9 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.data = &nf_conntrack_max,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_INT_MAX,
},
[NF_SYSCTL_CT_COUNT] = {
.procname = "nf_conntrack_count",
@@ -654,7 +656,9 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.data = &nf_ct_expect_max,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ONE,
+ .extra2 = SYSCTL_INT_MAX,
},
[NF_SYSCTL_CT_ACCT] = {
.procname = "nf_conntrack_acct",
@@ -947,7 +951,9 @@ static struct ctl_table nf_ct_netfilter_table[] = {
.data = &nf_conntrack_max,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_INT_MAX,
},
};
diff --git a/net/netfilter/nf_log_syslog.c b/net/netfilter/nf_log_syslog.c
index 58402226045e..86d5fc5d28e3 100644
--- a/net/netfilter/nf_log_syslog.c
+++ b/net/netfilter/nf_log_syslog.c
@@ -216,7 +216,9 @@ nf_log_dump_tcp_header(struct nf_log_buf *m,
/* Max length: 9 "RES=0x3C " */
nf_log_buf_add(m, "RES=0x%02x ", (u_int8_t)(ntohl(tcp_flag_word(th) &
TCP_RESERVED_BITS) >> 22));
- /* Max length: 32 "CWR ECE URG ACK PSH RST SYN FIN " */
+ /* Max length: 35 "AE CWR ECE URG ACK PSH RST SYN FIN " */
+ if (th->ae)
+ nf_log_buf_add(m, "AE ");
if (th->cwr)
nf_log_buf_add(m, "CWR ");
if (th->ece)
@@ -516,7 +518,7 @@ dump_ipv4_packet(struct net *net, struct nf_log_buf *m,
/* Proto Max log string length */
/* IP: 40+46+6+11+127 = 230 */
- /* TCP: 10+max(25,20+30+13+9+32+11+127) = 252 */
+ /* TCP: 10+max(25,20+30+13+9+35+11+127) = 255 */
/* UDP: 10+max(25,20) = 35 */
/* UDPLITE: 14+max(25,20) = 39 */
/* ICMP: 11+max(25, 18+25+max(19,14,24+3+n+10,3+n+10)) = 91+n */
@@ -526,7 +528,7 @@ dump_ipv4_packet(struct net *net, struct nf_log_buf *m,
/* (ICMP allows recursion one level deep) */
/* maxlen = IP + ICMP + IP + max(TCP,UDP,ICMP,unknown) */
- /* maxlen = 230+ 91 + 230 + 252 = 803 */
+ /* maxlen = 230+ 91 + 230 + 255 = 806 */
}
static noinline_for_stack void
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index 75598520b0fa..6557a4018c09 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -21,25 +21,22 @@
#include <net/netfilter/nf_log.h>
#include <net/netfilter/nft_meta.h>
-#if defined(CONFIG_MITIGATION_RETPOLINE) && defined(CONFIG_X86)
-
+#ifdef CONFIG_MITIGATION_RETPOLINE
static struct static_key_false nf_tables_skip_direct_calls;
-static bool nf_skip_indirect_calls(void)
+static inline bool nf_skip_indirect_calls(void)
{
return static_branch_likely(&nf_tables_skip_direct_calls);
}
-static void __init nf_skip_indirect_calls_enable(void)
+static inline void __init nf_skip_indirect_calls_enable(void)
{
if (!cpu_feature_enabled(X86_FEATURE_RETPOLINE))
static_branch_enable(&nf_tables_skip_direct_calls);
}
#else
-static inline bool nf_skip_indirect_calls(void) { return false; }
-
static inline void nf_skip_indirect_calls_enable(void) { }
-#endif
+#endif /* CONFIG_MITIGATION_RETPOLINE */
static noinline void __nft_trace_packet(const struct nft_pktinfo *pkt,
const struct nft_verdict *verdict,
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 5c913987901a..8b7b39d8a109 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -567,7 +567,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
enum ip_conntrack_info ctinfo = 0;
const struct nfnl_ct_hook *nfnl_ct;
bool csum_verify;
- struct lsm_context ctx;
+ struct lsm_context ctx = { NULL, 0, 0 };
int seclen = 0;
ktime_t tstamp;
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index fa02aab56724..3b507694e81e 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -15,7 +15,6 @@
#include <linux/random.h>
#include <linux/jhash.h>
#include <linux/slab.h>
-#include <linux/vmalloc.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/list.h>
@@ -294,8 +293,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
if (size < 16)
size = 16;
}
- /* FIXME: don't use vmalloc() here or anywhere else -HW */
- hinfo = vmalloc(struct_size(hinfo, hash, size));
+ hinfo = kvmalloc(struct_size(hinfo, hash, size), GFP_KERNEL);
if (hinfo == NULL)
return -ENOMEM;
*out_hinfo = hinfo;
@@ -303,7 +301,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
/* copy match config into hashtable config */
ret = cfg_copy(&hinfo->cfg, (void *)cfg, 3);
if (ret) {
- vfree(hinfo);
+ kvfree(hinfo);
return ret;
}
@@ -322,7 +320,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
hinfo->rnd_initialized = false;
hinfo->name = kstrdup(name, GFP_KERNEL);
if (!hinfo->name) {
- vfree(hinfo);
+ kvfree(hinfo);
return -ENOMEM;
}
spin_lock_init(&hinfo->lock);
@@ -344,7 +342,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
ops, hinfo);
if (hinfo->pde == NULL) {
kfree(hinfo->name);
- vfree(hinfo);
+ kvfree(hinfo);
return -ENOMEM;
}
hinfo->net = net;
@@ -433,7 +431,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo)
cancel_delayed_work_sync(&hinfo->gc_work);
htable_selective_cleanup(hinfo, true);
kfree(hinfo->name);
- vfree(hinfo);
+ kvfree(hinfo);
}
}
diff --git a/net/netfilter/xt_repldata.h b/net/netfilter/xt_repldata.h
index 5d1fb7018dba..600060ca940a 100644
--- a/net/netfilter/xt_repldata.h
+++ b/net/netfilter/xt_repldata.h
@@ -29,7 +29,7 @@
if (tbl == NULL) \
return NULL; \
term = (struct type##_error *)&(((char *)tbl)[term_offset]); \
- strscpy_pad(tbl->repl.name, info->name, sizeof(tbl->repl.name)); \
+ strscpy(tbl->repl.name, info->name); \
*term = (struct type##_error)typ2##_ERROR_INIT; \
tbl->repl.valid_hooks = hook_mask; \
tbl->repl.num_entries = nhooks + 1; \